Home | History | Annotate | Download | only in provider
      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 
     17 package android.provider;
     18 
     19 import android.annotation.SdkConstant;
     20 import android.annotation.SdkConstant.SdkConstantType;
     21 import android.app.SearchManager;
     22 import android.content.ComponentName;
     23 import android.content.ContentResolver;
     24 import android.content.ContentValues;
     25 import android.content.Context;
     26 import android.content.IContentProvider;
     27 import android.content.Intent;
     28 import android.content.pm.ActivityInfo;
     29 import android.content.pm.PackageManager;
     30 import android.content.pm.ResolveInfo;
     31 import android.content.res.Configuration;
     32 import android.content.res.Resources;
     33 import android.database.Cursor;
     34 import android.database.SQLException;
     35 import android.net.Uri;
     36 import android.net.wifi.WifiManager;
     37 import android.os.BatteryManager;
     38 import android.os.Bundle;
     39 import android.os.RemoteException;
     40 import android.os.SystemProperties;
     41 import android.speech.tts.TextToSpeech;
     42 import android.text.TextUtils;
     43 import android.util.AndroidException;
     44 import android.util.Log;
     45 import android.view.WindowOrientationListener;
     46 
     47 import java.net.URISyntaxException;
     48 import java.util.HashMap;
     49 import java.util.HashSet;
     50 
     51 /**
     52  * The Settings provider contains global system-level device preferences.
     53  */
     54 public final class Settings {
     55 
     56     // Intent actions for Settings
     57 
     58     /**
     59      * Activity Action: Show system settings.
     60      * <p>
     61      * Input: Nothing.
     62      * <p>
     63      * Output: Nothing.
     64      */
     65     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
     66     public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
     67 
     68     /**
     69      * Activity Action: Show settings to allow configuration of APNs.
     70      * <p>
     71      * Input: Nothing.
     72      * <p>
     73      * Output: Nothing.
     74      */
     75     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
     76     public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
     77 
     78     /**
     79      * Activity Action: Show settings to allow configuration of current location
     80      * sources.
     81      * <p>
     82      * In some cases, a matching Activity may not exist, so ensure you
     83      * safeguard against this.
     84      * <p>
     85      * Input: Nothing.
     86      * <p>
     87      * Output: Nothing.
     88      */
     89     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
     90     public static final String ACTION_LOCATION_SOURCE_SETTINGS =
     91             "android.settings.LOCATION_SOURCE_SETTINGS";
     92 
     93     /**
     94      * Activity Action: Show settings to allow configuration of wireless controls
     95      * such as Wi-Fi, Bluetooth and Mobile networks.
     96      * <p>
     97      * In some cases, a matching Activity may not exist, so ensure you
     98      * safeguard against this.
     99      * <p>
    100      * Input: Nothing.
    101      * <p>
    102      * Output: Nothing.
    103      */
    104     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    105     public static final String ACTION_WIRELESS_SETTINGS =
    106             "android.settings.WIRELESS_SETTINGS";
    107 
    108     /**
    109      * Activity Action: Show settings to allow entering/exiting airplane mode.
    110      * <p>
    111      * In some cases, a matching Activity may not exist, so ensure you
    112      * safeguard against this.
    113      * <p>
    114      * Input: Nothing.
    115      * <p>
    116      * Output: Nothing.
    117      */
    118     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    119     public static final String ACTION_AIRPLANE_MODE_SETTINGS =
    120             "android.settings.AIRPLANE_MODE_SETTINGS";
    121 
    122     /**
    123      * Activity Action: Show settings for accessibility modules.
    124      * <p>
    125      * In some cases, a matching Activity may not exist, so ensure you
    126      * safeguard against this.
    127      * <p>
    128      * Input: Nothing.
    129      * <p>
    130      * Output: Nothing.
    131      */
    132     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    133     public static final String ACTION_ACCESSIBILITY_SETTINGS =
    134             "android.settings.ACCESSIBILITY_SETTINGS";
    135 
    136     /**
    137      * Activity Action: Show settings to allow configuration of security and
    138      * location privacy.
    139      * <p>
    140      * In some cases, a matching Activity may not exist, so ensure you
    141      * safeguard against this.
    142      * <p>
    143      * Input: Nothing.
    144      * <p>
    145      * Output: Nothing.
    146      */
    147     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    148     public static final String ACTION_SECURITY_SETTINGS =
    149             "android.settings.SECURITY_SETTINGS";
    150 
    151     /**
    152      * Activity Action: Show settings to allow configuration of privacy options.
    153      * <p>
    154      * In some cases, a matching Activity may not exist, so ensure you
    155      * safeguard against this.
    156      * <p>
    157      * Input: Nothing.
    158      * <p>
    159      * Output: Nothing.
    160      */
    161     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    162     public static final String ACTION_PRIVACY_SETTINGS =
    163             "android.settings.PRIVACY_SETTINGS";
    164 
    165     /**
    166      * Activity Action: Show settings to allow configuration of Wi-Fi.
    167 
    168      * <p>
    169      * In some cases, a matching Activity may not exist, so ensure you
    170      * safeguard against this.
    171      * <p>
    172      * Input: Nothing.
    173      * <p>
    174      * Output: Nothing.
    175 
    176      */
    177     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    178     public static final String ACTION_WIFI_SETTINGS =
    179             "android.settings.WIFI_SETTINGS";
    180 
    181     /**
    182      * Activity Action: Show settings to allow configuration of a static IP
    183      * address for Wi-Fi.
    184      * <p>
    185      * In some cases, a matching Activity may not exist, so ensure you safeguard
    186      * against this.
    187      * <p>
    188      * Input: Nothing.
    189      * <p>
    190      * Output: Nothing.
    191      */
    192     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    193     public static final String ACTION_WIFI_IP_SETTINGS =
    194             "android.settings.WIFI_IP_SETTINGS";
    195 
    196     /**
    197      * Activity Action: Show settings to allow configuration of Bluetooth.
    198      * <p>
    199      * In some cases, a matching Activity may not exist, so ensure you
    200      * safeguard against this.
    201      * <p>
    202      * Input: Nothing.
    203      * <p>
    204      * Output: Nothing.
    205      */
    206     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    207     public static final String ACTION_BLUETOOTH_SETTINGS =
    208             "android.settings.BLUETOOTH_SETTINGS";
    209 
    210     /**
    211      * Activity Action: Show settings to allow configuration of date and time.
    212      * <p>
    213      * In some cases, a matching Activity may not exist, so ensure you
    214      * safeguard against this.
    215      * <p>
    216      * Input: Nothing.
    217      * <p>
    218      * Output: Nothing.
    219      */
    220     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    221     public static final String ACTION_DATE_SETTINGS =
    222             "android.settings.DATE_SETTINGS";
    223 
    224     /**
    225      * Activity Action: Show settings to allow configuration of sound and volume.
    226      * <p>
    227      * In some cases, a matching Activity may not exist, so ensure you
    228      * safeguard against this.
    229      * <p>
    230      * Input: Nothing.
    231      * <p>
    232      * Output: Nothing.
    233      */
    234     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    235     public static final String ACTION_SOUND_SETTINGS =
    236             "android.settings.SOUND_SETTINGS";
    237 
    238     /**
    239      * Activity Action: Show settings to allow configuration of display.
    240      * <p>
    241      * In some cases, a matching Activity may not exist, so ensure you
    242      * safeguard against this.
    243      * <p>
    244      * Input: Nothing.
    245      * <p>
    246      * Output: Nothing.
    247      */
    248     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    249     public static final String ACTION_DISPLAY_SETTINGS =
    250             "android.settings.DISPLAY_SETTINGS";
    251 
    252     /**
    253      * Activity Action: Show settings to allow configuration of locale.
    254      * <p>
    255      * In some cases, a matching Activity may not exist, so ensure you
    256      * safeguard against this.
    257      * <p>
    258      * Input: Nothing.
    259      * <p>
    260      * Output: Nothing.
    261      */
    262     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    263     public static final String ACTION_LOCALE_SETTINGS =
    264             "android.settings.LOCALE_SETTINGS";
    265 
    266     /**
    267      * Activity Action: Show settings to configure input methods, in particular
    268      * allowing the user to enable input methods.
    269      * <p>
    270      * In some cases, a matching Activity may not exist, so ensure you
    271      * safeguard against this.
    272      * <p>
    273      * Input: Nothing.
    274      * <p>
    275      * Output: Nothing.
    276      */
    277     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    278     public static final String ACTION_INPUT_METHOD_SETTINGS =
    279             "android.settings.INPUT_METHOD_SETTINGS";
    280 
    281     /**
    282      * Activity Action: Show settings to enable/disable input method subtypes.
    283      * <p>
    284      * In some cases, a matching Activity may not exist, so ensure you
    285      * safeguard against this.
    286      * <p>
    287      * To tell which input method's subtypes are displayed in the settings, add
    288      * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
    289      * If there is no extra in this Intent, subtypes from all installed input methods
    290      * will be displayed in the settings.
    291      *
    292      * @see android.view.inputmethod.InputMethodInfo#getId
    293      * <p>
    294      * Input: Nothing.
    295      * <p>
    296      * Output: Nothing.
    297      */
    298     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    299     public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
    300             "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
    301 
    302     /**
    303      * Activity Action: Show a dialog to select input method.
    304      * <p>
    305      * In some cases, a matching Activity may not exist, so ensure you
    306      * safeguard against this.
    307      * <p>
    308      * Input: Nothing.
    309      * <p>
    310      * Output: Nothing.
    311      * @hide
    312      */
    313     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    314     public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
    315             "android.settings.SHOW_INPUT_METHOD_PICKER";
    316 
    317     /**
    318      * Activity Action: Show settings to manage the user input dictionary.
    319      * <p>
    320      * In some cases, a matching Activity may not exist, so ensure you
    321      * safeguard against this.
    322      * <p>
    323      * Input: Nothing.
    324      * <p>
    325      * Output: Nothing.
    326      */
    327     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    328     public static final String ACTION_USER_DICTIONARY_SETTINGS =
    329             "android.settings.USER_DICTIONARY_SETTINGS";
    330 
    331     /**
    332      * Activity Action: Adds a word to the user dictionary.
    333      * <p>
    334      * In some cases, a matching Activity may not exist, so ensure you
    335      * safeguard against this.
    336      * <p>
    337      * Input: An extra with key <code>word</code> that contains the word
    338      * that should be added to the dictionary.
    339      * <p>
    340      * Output: Nothing.
    341      *
    342      * @hide
    343      */
    344     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    345     public static final String ACTION_USER_DICTIONARY_INSERT =
    346             "com.android.settings.USER_DICTIONARY_INSERT";
    347 
    348     /**
    349      * Activity Action: Show settings to allow configuration of application-related settings.
    350      * <p>
    351      * In some cases, a matching Activity may not exist, so ensure you
    352      * safeguard against this.
    353      * <p>
    354      * Input: Nothing.
    355      * <p>
    356      * Output: Nothing.
    357      */
    358     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    359     public static final String ACTION_APPLICATION_SETTINGS =
    360             "android.settings.APPLICATION_SETTINGS";
    361 
    362     /**
    363      * Activity Action: Show settings to allow configuration of application
    364      * development-related settings.
    365      * <p>
    366      * In some cases, a matching Activity may not exist, so ensure you safeguard
    367      * against this.
    368      * <p>
    369      * Input: Nothing.
    370      * <p>
    371      * Output: Nothing.
    372      */
    373     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    374     public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
    375             "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
    376 
    377     /**
    378      * Activity Action: Show settings to allow configuration of quick launch shortcuts.
    379      * <p>
    380      * In some cases, a matching Activity may not exist, so ensure you
    381      * safeguard against this.
    382      * <p>
    383      * Input: Nothing.
    384      * <p>
    385      * Output: Nothing.
    386      */
    387     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    388     public static final String ACTION_QUICK_LAUNCH_SETTINGS =
    389             "android.settings.QUICK_LAUNCH_SETTINGS";
    390 
    391     /**
    392      * Activity Action: Show settings to manage installed applications.
    393      * <p>
    394      * In some cases, a matching Activity may not exist, so ensure you
    395      * safeguard against this.
    396      * <p>
    397      * Input: Nothing.
    398      * <p>
    399      * Output: Nothing.
    400      */
    401     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    402     public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
    403             "android.settings.MANAGE_APPLICATIONS_SETTINGS";
    404 
    405     /**
    406      * Activity Action: Show settings to manage all applications.
    407      * <p>
    408      * In some cases, a matching Activity may not exist, so ensure you
    409      * safeguard against this.
    410      * <p>
    411      * Input: Nothing.
    412      * <p>
    413      * Output: Nothing.
    414      */
    415     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    416     public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
    417             "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
    418 
    419     /**
    420      * Activity Action: Show screen of details about a particular application.
    421      * <p>
    422      * In some cases, a matching Activity may not exist, so ensure you
    423      * safeguard against this.
    424      * <p>
    425      * Input: The Intent's data URI specifies the application package name
    426      * to be shown, with the "package" scheme.  That is "package:com.my.app".
    427      * <p>
    428      * Output: Nothing.
    429      */
    430     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    431     public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
    432             "android.settings.APPLICATION_DETAILS_SETTINGS";
    433 
    434     /**
    435      * Activity Action: Show settings for system update functionality.
    436      * <p>
    437      * In some cases, a matching Activity may not exist, so ensure you
    438      * safeguard against this.
    439      * <p>
    440      * Input: Nothing.
    441      * <p>
    442      * Output: Nothing.
    443      *
    444      * @hide
    445      */
    446     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    447     public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
    448             "android.settings.SYSTEM_UPDATE_SETTINGS";
    449 
    450     /**
    451      * Activity Action: Show settings to allow configuration of sync settings.
    452      * <p>
    453      * In some cases, a matching Activity may not exist, so ensure you
    454      * safeguard against this.
    455      * <p>
    456      * The account types available to add via the add account button may be restricted by adding an
    457      * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
    458      * authorities. Only account types which can sync with that content provider will be offered to
    459      * the user.
    460      * <p>
    461      * Input: Nothing.
    462      * <p>
    463      * Output: Nothing.
    464      */
    465     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    466     public static final String ACTION_SYNC_SETTINGS =
    467             "android.settings.SYNC_SETTINGS";
    468 
    469     /**
    470      * Activity Action: Show add account screen for creating a new account.
    471      * <p>
    472      * In some cases, a matching Activity may not exist, so ensure you
    473      * safeguard against this.
    474      * <p>
    475      * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
    476      * extra to the Intent with one or more syncable content provider's authorities.  Only account
    477      * types which can sync with that content provider will be offered to the user.
    478      * <p>
    479      * Input: Nothing.
    480      * <p>
    481      * Output: Nothing.
    482      */
    483     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    484     public static final String ACTION_ADD_ACCOUNT =
    485             "android.settings.ADD_ACCOUNT_SETTINGS";
    486 
    487     /**
    488      * Activity Action: Show settings for selecting the network operator.
    489      * <p>
    490      * In some cases, a matching Activity may not exist, so ensure you
    491      * safeguard against this.
    492      * <p>
    493      * Input: Nothing.
    494      * <p>
    495      * Output: Nothing.
    496      */
    497     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    498     public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
    499             "android.settings.NETWORK_OPERATOR_SETTINGS";
    500 
    501     /**
    502      * Activity Action: Show settings for selection of 2G/3G.
    503      * <p>
    504      * In some cases, a matching Activity may not exist, so ensure you
    505      * safeguard against this.
    506      * <p>
    507      * Input: Nothing.
    508      * <p>
    509      * Output: Nothing.
    510      */
    511     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    512     public static final String ACTION_DATA_ROAMING_SETTINGS =
    513             "android.settings.DATA_ROAMING_SETTINGS";
    514 
    515     /**
    516      * Activity Action: Show settings for internal storage.
    517      * <p>
    518      * In some cases, a matching Activity may not exist, so ensure you
    519      * safeguard against this.
    520      * <p>
    521      * Input: Nothing.
    522      * <p>
    523      * Output: Nothing.
    524      */
    525     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    526     public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
    527             "android.settings.INTERNAL_STORAGE_SETTINGS";
    528     /**
    529      * Activity Action: Show settings for memory card storage.
    530      * <p>
    531      * In some cases, a matching Activity may not exist, so ensure you
    532      * safeguard against this.
    533      * <p>
    534      * Input: Nothing.
    535      * <p>
    536      * Output: Nothing.
    537      */
    538     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    539     public static final String ACTION_MEMORY_CARD_SETTINGS =
    540             "android.settings.MEMORY_CARD_SETTINGS";
    541 
    542     /**
    543      * Activity Action: Show settings for global search.
    544      * <p>
    545      * In some cases, a matching Activity may not exist, so ensure you
    546      * safeguard against this.
    547      * <p>
    548      * Input: Nothing.
    549      * <p>
    550      * Output: Nothing
    551      */
    552     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    553     public static final String ACTION_SEARCH_SETTINGS =
    554         "android.search.action.SEARCH_SETTINGS";
    555 
    556     /**
    557      * Activity Action: Show general device information settings (serial
    558      * number, software version, phone number, etc.).
    559      * <p>
    560      * In some cases, a matching Activity may not exist, so ensure you
    561      * safeguard against this.
    562      * <p>
    563      * Input: Nothing.
    564      * <p>
    565      * Output: Nothing
    566      */
    567     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    568     public static final String ACTION_DEVICE_INFO_SETTINGS =
    569         "android.settings.DEVICE_INFO_SETTINGS";
    570 
    571     /**
    572      * Activity Action: Show NFC sharing settings.
    573      * <p>
    574      * In some cases, a matching Activity may not exist, so ensure you
    575      * safeguard against this.
    576      * <p>
    577      * Input: Nothing.
    578      * <p>
    579      * Output: Nothing
    580      */
    581     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
    582     public static final String ACTION_NFCSHARING_SETTINGS =
    583         "android.settings.NFCSHARING_SETTINGS";
    584 
    585     // End of Intent actions for Settings
    586 
    587     /**
    588      * @hide - Private call() method on SettingsProvider to read from 'system' table.
    589      */
    590     public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
    591 
    592     /**
    593      * @hide - Private call() method on SettingsProvider to read from 'secure' table.
    594      */
    595     public static final String CALL_METHOD_GET_SECURE = "GET_secure";
    596 
    597     /**
    598      * Activity Extra: Limit available options in launched activity based on the given authority.
    599      * <p>
    600      * This can be passed as an extra field in an Activity Intent with one or more syncable content
    601      * provider's authorities as a String[]. This field is used by some intents to alter the
    602      * behavior of the called activity.
    603      * <p>
    604      * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
    605      * on the authority given.
    606      */
    607     public static final String EXTRA_AUTHORITIES =
    608             "authorities";
    609 
    610     public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
    611 
    612     private static final String JID_RESOURCE_PREFIX = "android";
    613 
    614     public static final String AUTHORITY = "settings";
    615 
    616     private static final String TAG = "Settings";
    617     private static final boolean LOCAL_LOGV = false || false;
    618 
    619     public static class SettingNotFoundException extends AndroidException {
    620         public SettingNotFoundException(String msg) {
    621             super(msg);
    622         }
    623     }
    624 
    625     /**
    626      * Common base for tables of name/value settings.
    627      */
    628     public static class NameValueTable implements BaseColumns {
    629         public static final String NAME = "name";
    630         public static final String VALUE = "value";
    631 
    632         protected static boolean putString(ContentResolver resolver, Uri uri,
    633                 String name, String value) {
    634             // The database will take care of replacing duplicates.
    635             try {
    636                 ContentValues values = new ContentValues();
    637                 values.put(NAME, name);
    638                 values.put(VALUE, value);
    639                 resolver.insert(uri, values);
    640                 return true;
    641             } catch (SQLException e) {
    642                 Log.w(TAG, "Can't set key " + name + " in " + uri, e);
    643                 return false;
    644             }
    645         }
    646 
    647         public static Uri getUriFor(Uri uri, String name) {
    648             return Uri.withAppendedPath(uri, name);
    649         }
    650     }
    651 
    652     // Thread-safe.
    653     private static class NameValueCache {
    654         private final String mVersionSystemProperty;
    655         private final Uri mUri;
    656 
    657         private static final String[] SELECT_VALUE =
    658             new String[] { Settings.NameValueTable.VALUE };
    659         private static final String NAME_EQ_PLACEHOLDER = "name=?";
    660 
    661         // Must synchronize on 'this' to access mValues and mValuesVersion.
    662         private final HashMap<String, String> mValues = new HashMap<String, String>();
    663         private long mValuesVersion = 0;
    664 
    665         // Initially null; set lazily and held forever.  Synchronized on 'this'.
    666         private IContentProvider mContentProvider = null;
    667 
    668         // The method we'll call (or null, to not use) on the provider
    669         // for the fast path of retrieving settings.
    670         private final String mCallCommand;
    671 
    672         public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
    673             mVersionSystemProperty = versionSystemProperty;
    674             mUri = uri;
    675             mCallCommand = callCommand;
    676         }
    677 
    678         public String getString(ContentResolver cr, String name) {
    679             long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
    680 
    681             synchronized (this) {
    682                 if (mValuesVersion != newValuesVersion) {
    683                     if (LOCAL_LOGV) {
    684                         Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
    685                                 newValuesVersion + " != cached " + mValuesVersion);
    686                     }
    687 
    688                     mValues.clear();
    689                     mValuesVersion = newValuesVersion;
    690                 }
    691 
    692                 if (mValues.containsKey(name)) {
    693                     return mValues.get(name);  // Could be null, that's OK -- negative caching
    694                 }
    695             }
    696 
    697             IContentProvider cp = null;
    698             synchronized (this) {
    699                 cp = mContentProvider;
    700                 if (cp == null) {
    701                     cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
    702                 }
    703             }
    704 
    705             // Try the fast path first, not using query().  If this
    706             // fails (alternate Settings provider that doesn't support
    707             // this interface?) then we fall back to the query/table
    708             // interface.
    709             if (mCallCommand != null) {
    710                 try {
    711                     Bundle b = cp.call(mCallCommand, name, null);
    712                     if (b != null) {
    713                         String value = b.getPairValue();
    714                         synchronized (this) {
    715                             mValues.put(name, value);
    716                         }
    717                         return value;
    718                     }
    719                     // If the response Bundle is null, we fall through
    720                     // to the query interface below.
    721                 } catch (RemoteException e) {
    722                     // Not supported by the remote side?  Fall through
    723                     // to query().
    724                 }
    725             }
    726 
    727             Cursor c = null;
    728             try {
    729                 c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
    730                              new String[]{name}, null);
    731                 if (c == null) {
    732                     Log.w(TAG, "Can't get key " + name + " from " + mUri);
    733                     return null;
    734                 }
    735 
    736                 String value = c.moveToNext() ? c.getString(0) : null;
    737                 synchronized (this) {
    738                     mValues.put(name, value);
    739                 }
    740                 if (LOCAL_LOGV) {
    741                     Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
    742                             name + " = " + (value == null ? "(null)" : value));
    743                 }
    744                 return value;
    745             } catch (RemoteException e) {
    746                 Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
    747                 return null;  // Return null, but don't cache it.
    748             } finally {
    749                 if (c != null) c.close();
    750             }
    751         }
    752     }
    753 
    754     /**
    755      * System settings, containing miscellaneous system preferences.  This
    756      * table holds simple name/value pairs.  There are convenience
    757      * functions for accessing individual settings entries.
    758      */
    759     public static final class System extends NameValueTable {
    760         public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
    761 
    762         // Populated lazily, guarded by class object:
    763         private static NameValueCache sNameValueCache = null;
    764 
    765         private static final HashSet<String> MOVED_TO_SECURE;
    766         static {
    767             MOVED_TO_SECURE = new HashSet<String>(30);
    768             MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
    769             MOVED_TO_SECURE.add(Secure.ANDROID_ID);
    770             MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
    771             MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
    772             MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
    773             MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
    774             MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
    775             MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
    776             MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
    777             MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
    778             MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
    779             MOVED_TO_SECURE.add(Secure.LOGGING_ID);
    780             MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
    781             MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
    782             MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
    783             MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
    784             MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
    785             MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
    786             MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
    787             MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
    788             MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
    789             MOVED_TO_SECURE.add(Secure.WIFI_ON);
    790             MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
    791             MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
    792             MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
    793             MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
    794             MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
    795             MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
    796             MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
    797             MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
    798             MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
    799             MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
    800             MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
    801         }
    802 
    803         /**
    804          * Look up a name in the database.
    805          * @param resolver to access the database with
    806          * @param name to look up in the table
    807          * @return the corresponding value, or null if not present
    808          */
    809         public synchronized static String getString(ContentResolver resolver, String name) {
    810             if (MOVED_TO_SECURE.contains(name)) {
    811                 Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
    812                         + " to android.provider.Settings.Secure, returning read-only value.");
    813                 return Secure.getString(resolver, name);
    814             }
    815             if (sNameValueCache == null) {
    816                 sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
    817                                                      CALL_METHOD_GET_SYSTEM);
    818             }
    819             return sNameValueCache.getString(resolver, name);
    820         }
    821 
    822         /**
    823          * Store a name/value pair into the database.
    824          * @param resolver to access the database with
    825          * @param name to store
    826          * @param value to associate with the name
    827          * @return true if the value was set, false on database errors
    828          */
    829         public static boolean putString(ContentResolver resolver, String name, String value) {
    830             if (MOVED_TO_SECURE.contains(name)) {
    831                 Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
    832                         + " to android.provider.Settings.Secure, value is unchanged.");
    833                 return false;
    834             }
    835             return putString(resolver, CONTENT_URI, name, value);
    836         }
    837 
    838         /**
    839          * Construct the content URI for a particular name/value pair,
    840          * useful for monitoring changes with a ContentObserver.
    841          * @param name to look up in the table
    842          * @return the corresponding content URI, or null if not present
    843          */
    844         public static Uri getUriFor(String name) {
    845             if (MOVED_TO_SECURE.contains(name)) {
    846                 Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
    847                     + " to android.provider.Settings.Secure, returning Secure URI.");
    848                 return Secure.getUriFor(Secure.CONTENT_URI, name);
    849             }
    850             return getUriFor(CONTENT_URI, name);
    851         }
    852 
    853         /**
    854          * Convenience function for retrieving a single system settings value
    855          * as an integer.  Note that internally setting values are always
    856          * stored as strings; this function converts the string to an integer
    857          * for you.  The default value will be returned if the setting is
    858          * not defined or not an integer.
    859          *
    860          * @param cr The ContentResolver to access.
    861          * @param name The name of the setting to retrieve.
    862          * @param def Value to return if the setting is not defined.
    863          *
    864          * @return The setting's current value, or 'def' if it is not defined
    865          * or not a valid integer.
    866          */
    867         public static int getInt(ContentResolver cr, String name, int def) {
    868             String v = getString(cr, name);
    869             try {
    870                 return v != null ? Integer.parseInt(v) : def;
    871             } catch (NumberFormatException e) {
    872                 return def;
    873             }
    874         }
    875 
    876         /**
    877          * Convenience function for retrieving a single system settings value
    878          * as an integer.  Note that internally setting values are always
    879          * stored as strings; this function converts the string to an integer
    880          * for you.
    881          * <p>
    882          * This version does not take a default value.  If the setting has not
    883          * been set, or the string value is not a number,
    884          * it throws {@link SettingNotFoundException}.
    885          *
    886          * @param cr The ContentResolver to access.
    887          * @param name The name of the setting to retrieve.
    888          *
    889          * @throws SettingNotFoundException Thrown if a setting by the given
    890          * name can't be found or the setting value is not an integer.
    891          *
    892          * @return The setting's current value.
    893          */
    894         public static int getInt(ContentResolver cr, String name)
    895                 throws SettingNotFoundException {
    896             String v = getString(cr, name);
    897             try {
    898                 return Integer.parseInt(v);
    899             } catch (NumberFormatException e) {
    900                 throw new SettingNotFoundException(name);
    901             }
    902         }
    903 
    904         /**
    905          * Convenience function for updating a single settings value as an
    906          * integer. This will either create a new entry in the table if the
    907          * given name does not exist, or modify the value of the existing row
    908          * with that name.  Note that internally setting values are always
    909          * stored as strings, so this function converts the given value to a
    910          * string before storing it.
    911          *
    912          * @param cr The ContentResolver to access.
    913          * @param name The name of the setting to modify.
    914          * @param value The new value for the setting.
    915          * @return true if the value was set, false on database errors
    916          */
    917         public static boolean putInt(ContentResolver cr, String name, int value) {
    918             return putString(cr, name, Integer.toString(value));
    919         }
    920 
    921         /**
    922          * Convenience function for retrieving a single system settings value
    923          * as a {@code long}.  Note that internally setting values are always
    924          * stored as strings; this function converts the string to a {@code long}
    925          * for you.  The default value will be returned if the setting is
    926          * not defined or not a {@code long}.
    927          *
    928          * @param cr The ContentResolver to access.
    929          * @param name The name of the setting to retrieve.
    930          * @param def Value to return if the setting is not defined.
    931          *
    932          * @return The setting's current value, or 'def' if it is not defined
    933          * or not a valid {@code long}.
    934          */
    935         public static long getLong(ContentResolver cr, String name, long def) {
    936             String valString = getString(cr, name);
    937             long value;
    938             try {
    939                 value = valString != null ? Long.parseLong(valString) : def;
    940             } catch (NumberFormatException e) {
    941                 value = def;
    942             }
    943             return value;
    944         }
    945 
    946         /**
    947          * Convenience function for retrieving a single system settings value
    948          * as a {@code long}.  Note that internally setting values are always
    949          * stored as strings; this function converts the string to a {@code long}
    950          * for you.
    951          * <p>
    952          * This version does not take a default value.  If the setting has not
    953          * been set, or the string value is not a number,
    954          * it throws {@link SettingNotFoundException}.
    955          *
    956          * @param cr The ContentResolver to access.
    957          * @param name The name of the setting to retrieve.
    958          *
    959          * @return The setting's current value.
    960          * @throws SettingNotFoundException Thrown if a setting by the given
    961          * name can't be found or the setting value is not an integer.
    962          */
    963         public static long getLong(ContentResolver cr, String name)
    964                 throws SettingNotFoundException {
    965             String valString = getString(cr, name);
    966             try {
    967                 return Long.parseLong(valString);
    968             } catch (NumberFormatException e) {
    969                 throw new SettingNotFoundException(name);
    970             }
    971         }
    972 
    973         /**
    974          * Convenience function for updating a single settings value as a long
    975          * integer. This will either create a new entry in the table if the
    976          * given name does not exist, or modify the value of the existing row
    977          * with that name.  Note that internally setting values are always
    978          * stored as strings, so this function converts the given value to a
    979          * string before storing it.
    980          *
    981          * @param cr The ContentResolver to access.
    982          * @param name The name of the setting to modify.
    983          * @param value The new value for the setting.
    984          * @return true if the value was set, false on database errors
    985          */
    986         public static boolean putLong(ContentResolver cr, String name, long value) {
    987             return putString(cr, name, Long.toString(value));
    988         }
    989 
    990         /**
    991          * Convenience function for retrieving a single system settings value
    992          * as a floating point number.  Note that internally setting values are
    993          * always stored as strings; this function converts the string to an
    994          * float for you. The default value will be returned if the setting
    995          * is not defined or not a valid float.
    996          *
    997          * @param cr The ContentResolver to access.
    998          * @param name The name of the setting to retrieve.
    999          * @param def Value to return if the setting is not defined.
   1000          *
   1001          * @return The setting's current value, or 'def' if it is not defined
   1002          * or not a valid float.
   1003          */
   1004         public static float getFloat(ContentResolver cr, String name, float def) {
   1005             String v = getString(cr, name);
   1006             try {
   1007                 return v != null ? Float.parseFloat(v) : def;
   1008             } catch (NumberFormatException e) {
   1009                 return def;
   1010             }
   1011         }
   1012 
   1013         /**
   1014          * Convenience function for retrieving a single system settings value
   1015          * as a float.  Note that internally setting values are always
   1016          * stored as strings; this function converts the string to a float
   1017          * for you.
   1018          * <p>
   1019          * This version does not take a default value.  If the setting has not
   1020          * been set, or the string value is not a number,
   1021          * it throws {@link SettingNotFoundException}.
   1022          *
   1023          * @param cr The ContentResolver to access.
   1024          * @param name The name of the setting to retrieve.
   1025          *
   1026          * @throws SettingNotFoundException Thrown if a setting by the given
   1027          * name can't be found or the setting value is not a float.
   1028          *
   1029          * @return The setting's current value.
   1030          */
   1031         public static float getFloat(ContentResolver cr, String name)
   1032                 throws SettingNotFoundException {
   1033             String v = getString(cr, name);
   1034             if (v == null) {
   1035                 throw new SettingNotFoundException(name);
   1036             }
   1037             try {
   1038                 return Float.parseFloat(v);
   1039             } catch (NumberFormatException e) {
   1040                 throw new SettingNotFoundException(name);
   1041             }
   1042         }
   1043 
   1044         /**
   1045          * Convenience function for updating a single settings value as a
   1046          * floating point number. This will either create a new entry in the
   1047          * table if the given name does not exist, or modify the value of the
   1048          * existing row with that name.  Note that internally setting values
   1049          * are always stored as strings, so this function converts the given
   1050          * value to a string before storing it.
   1051          *
   1052          * @param cr The ContentResolver to access.
   1053          * @param name The name of the setting to modify.
   1054          * @param value The new value for the setting.
   1055          * @return true if the value was set, false on database errors
   1056          */
   1057         public static boolean putFloat(ContentResolver cr, String name, float value) {
   1058             return putString(cr, name, Float.toString(value));
   1059         }
   1060 
   1061         /**
   1062          * Convenience function to read all of the current
   1063          * configuration-related settings into a
   1064          * {@link Configuration} object.
   1065          *
   1066          * @param cr The ContentResolver to access.
   1067          * @param outConfig Where to place the configuration settings.
   1068          */
   1069         public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
   1070             outConfig.fontScale = Settings.System.getFloat(
   1071                 cr, FONT_SCALE, outConfig.fontScale);
   1072             if (outConfig.fontScale < 0) {
   1073                 outConfig.fontScale = 1;
   1074             }
   1075         }
   1076 
   1077         /**
   1078          * @hide Erase the fields in the Configuration that should be applied
   1079          * by the settings.
   1080          */
   1081         public static void clearConfiguration(Configuration inoutConfig) {
   1082             inoutConfig.fontScale = 0;
   1083         }
   1084 
   1085         /**
   1086          * Convenience function to write a batch of configuration-related
   1087          * settings from a {@link Configuration} object.
   1088          *
   1089          * @param cr The ContentResolver to access.
   1090          * @param config The settings to write.
   1091          * @return true if the values were set, false on database errors
   1092          */
   1093         public static boolean putConfiguration(ContentResolver cr, Configuration config) {
   1094             return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
   1095         }
   1096 
   1097         /** @hide */
   1098         public static boolean hasInterestingConfigurationChanges(int changes) {
   1099             return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
   1100         }
   1101 
   1102         public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
   1103             return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
   1104         }
   1105 
   1106         public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
   1107             putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
   1108         }
   1109 
   1110         /**
   1111          * The content:// style URL for this table
   1112          */
   1113         public static final Uri CONTENT_URI =
   1114             Uri.parse("content://" + AUTHORITY + "/system");
   1115 
   1116         /**
   1117          * Whether we keep the device on while the device is plugged in.
   1118          * Supported values are:
   1119          * <ul>
   1120          * <li>{@code 0} to never stay on while plugged in</li>
   1121          * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
   1122          * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
   1123          * </ul>
   1124          * These values can be OR-ed together.
   1125          */
   1126         public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
   1127 
   1128         /**
   1129          * What happens when the user presses the end call button if they're not
   1130          * on a call.<br/>
   1131          * <b>Values:</b><br/>
   1132          * 0 - The end button does nothing.<br/>
   1133          * 1 - The end button goes to the home screen.<br/>
   1134          * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
   1135          * 3 - The end button goes to the home screen.  If the user is already on the
   1136          * home screen, it puts the device to sleep.
   1137          */
   1138         public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
   1139 
   1140         /**
   1141          * END_BUTTON_BEHAVIOR value for "go home".
   1142          * @hide
   1143          */
   1144         public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
   1145 
   1146         /**
   1147          * END_BUTTON_BEHAVIOR value for "go to sleep".
   1148          * @hide
   1149          */
   1150         public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
   1151 
   1152         /**
   1153          * END_BUTTON_BEHAVIOR default value.
   1154          * @hide
   1155          */
   1156         public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
   1157 
   1158         /**
   1159          * Is advanced settings mode turned on. 0 == no, 1 == yes
   1160          * @hide
   1161          */
   1162         public static final String ADVANCED_SETTINGS = "advanced_settings";
   1163 
   1164         /**
   1165          * ADVANCED_SETTINGS default value.
   1166          * @hide
   1167          */
   1168         public static final int ADVANCED_SETTINGS_DEFAULT = 0;
   1169 
   1170         /**
   1171          * Whether Airplane Mode is on.
   1172          */
   1173         public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
   1174 
   1175         /**
   1176          * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
   1177          */
   1178         public static final String RADIO_BLUETOOTH = "bluetooth";
   1179 
   1180         /**
   1181          * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
   1182          */
   1183         public static final String RADIO_WIFI = "wifi";
   1184 
   1185         /**
   1186          * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
   1187          */
   1188         public static final String RADIO_CELL = "cell";
   1189 
   1190         /**
   1191          * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
   1192          */
   1193         public static final String RADIO_NFC = "nfc";
   1194 
   1195         /**
   1196          * A comma separated list of radios that need to be disabled when airplane mode
   1197          * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
   1198          * included in the comma separated list.
   1199          */
   1200         public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
   1201 
   1202         /**
   1203          * A comma separated list of radios that should to be disabled when airplane mode
   1204          * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
   1205          * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
   1206          * will be turned off when entering airplane mode, but the user will be able to reenable
   1207          * Wifi in the Settings app.
   1208          *
   1209          * {@hide}
   1210          */
   1211         public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
   1212 
   1213         /**
   1214          * The policy for deciding when Wi-Fi should go to sleep (which will in
   1215          * turn switch to using the mobile data as an Internet connection).
   1216          * <p>
   1217          * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
   1218          * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
   1219          * {@link #WIFI_SLEEP_POLICY_NEVER}.
   1220          */
   1221         public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
   1222 
   1223         /**
   1224          * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
   1225          * policy, which is to sleep shortly after the turning off
   1226          * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
   1227          */
   1228         public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
   1229 
   1230         /**
   1231          * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
   1232          * the device is on battery, and never go to sleep when the device is
   1233          * plugged in.
   1234          */
   1235         public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
   1236 
   1237         /**
   1238          * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
   1239          */
   1240         public static final int WIFI_SLEEP_POLICY_NEVER = 2;
   1241 
   1242         //TODO: deprecate static IP constants
   1243         /**
   1244          * Whether to use static IP and other static network attributes.
   1245          * <p>
   1246          * Set to 1 for true and 0 for false.
   1247          */
   1248         public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
   1249 
   1250         /**
   1251          * The static IP address.
   1252          * <p>
   1253          * Example: "192.168.1.51"
   1254          */
   1255         public static final String WIFI_STATIC_IP = "wifi_static_ip";
   1256 
   1257         /**
   1258          * If using static IP, the gateway's IP address.
   1259          * <p>
   1260          * Example: "192.168.1.1"
   1261          */
   1262         public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
   1263 
   1264         /**
   1265          * If using static IP, the net mask.
   1266          * <p>
   1267          * Example: "255.255.255.0"
   1268          */
   1269         public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
   1270 
   1271         /**
   1272          * If using static IP, the primary DNS's IP address.
   1273          * <p>
   1274          * Example: "192.168.1.1"
   1275          */
   1276         public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
   1277 
   1278         /**
   1279          * If using static IP, the secondary DNS's IP address.
   1280          * <p>
   1281          * Example: "192.168.1.2"
   1282          */
   1283         public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
   1284 
   1285 
   1286         /**
   1287          * Determines whether remote devices may discover and/or connect to
   1288          * this device.
   1289          * <P>Type: INT</P>
   1290          * 2 -- discoverable and connectable
   1291          * 1 -- connectable but not discoverable
   1292          * 0 -- neither connectable nor discoverable
   1293          */
   1294         public static final String BLUETOOTH_DISCOVERABILITY =
   1295             "bluetooth_discoverability";
   1296 
   1297         /**
   1298          * Bluetooth discoverability timeout.  If this value is nonzero, then
   1299          * Bluetooth becomes discoverable for a certain number of seconds,
   1300          * after which is becomes simply connectable.  The value is in seconds.
   1301          */
   1302         public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
   1303             "bluetooth_discoverability_timeout";
   1304 
   1305         /**
   1306          * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
   1307          * instead
   1308          */
   1309         @Deprecated
   1310         public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
   1311 
   1312         /**
   1313          * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
   1314          * instead
   1315          */
   1316         @Deprecated
   1317         public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
   1318 
   1319         /**
   1320          * @deprecated Use
   1321          * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
   1322          * instead
   1323          */
   1324         @Deprecated
   1325         public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
   1326             "lock_pattern_tactile_feedback_enabled";
   1327 
   1328 
   1329         /**
   1330          * A formatted string of the next alarm that is set, or the empty string
   1331          * if there is no alarm set.
   1332          */
   1333         public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
   1334 
   1335         /**
   1336          * Scaling factor for fonts, float.
   1337          */
   1338         public static final String FONT_SCALE = "font_scale";
   1339 
   1340         /**
   1341          * Name of an application package to be debugged.
   1342          */
   1343         public static final String DEBUG_APP = "debug_app";
   1344 
   1345         /**
   1346          * If 1, when launching DEBUG_APP it will wait for the debugger before
   1347          * starting user code.  If 0, it will run normally.
   1348          */
   1349         public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
   1350 
   1351         /**
   1352          * Whether or not to dim the screen. 0=no  1=yes
   1353          */
   1354         public static final String DIM_SCREEN = "dim_screen";
   1355 
   1356         /**
   1357          * The timeout before the screen turns off.
   1358          */
   1359         public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
   1360 
   1361         /**
   1362          * If 0, the compatibility mode is off for all applications.
   1363          * If 1, older applications run under compatibility mode.
   1364          * TODO: remove this settings before code freeze (bug/1907571)
   1365          * @hide
   1366          */
   1367         public static final String COMPATIBILITY_MODE = "compatibility_mode";
   1368 
   1369         /**
   1370          * The screen backlight brightness between 0 and 255.
   1371          */
   1372         public static final String SCREEN_BRIGHTNESS = "screen_brightness";
   1373 
   1374         /**
   1375          * Control whether to enable automatic brightness mode.
   1376          */
   1377         public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
   1378 
   1379         /**
   1380          * SCREEN_BRIGHTNESS_MODE value for manual mode.
   1381          */
   1382         public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
   1383 
   1384         /**
   1385          * SCREEN_BRIGHTNESS_MODE value for manual mode.
   1386          */
   1387         public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
   1388 
   1389         /**
   1390          * Control whether the process CPU usage meter should be shown.
   1391          */
   1392         public static final String SHOW_PROCESSES = "show_processes";
   1393 
   1394         /**
   1395          * If 1, the activity manager will aggressively finish activities and
   1396          * processes as soon as they are no longer needed.  If 0, the normal
   1397          * extended lifetime is used.
   1398          */
   1399         public static final String ALWAYS_FINISH_ACTIVITIES =
   1400                 "always_finish_activities";
   1401 
   1402 
   1403         /**
   1404          * Ringer mode. This is used internally, changing this value will not
   1405          * change the ringer mode. See AudioManager.
   1406          */
   1407         public static final String MODE_RINGER = "mode_ringer";
   1408 
   1409         /**
   1410          * Determines which streams are affected by ringer mode changes. The
   1411          * stream type's bit should be set to 1 if it should be muted when going
   1412          * into an inaudible ringer mode.
   1413          */
   1414         public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
   1415 
   1416          /**
   1417           * Determines which streams are affected by mute. The
   1418           * stream type's bit should be set to 1 if it should be muted when a mute request
   1419           * is received.
   1420           */
   1421          public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
   1422 
   1423         /**
   1424          * Whether vibrate is on for different events. This is used internally,
   1425          * changing this value will not change the vibrate. See AudioManager.
   1426          */
   1427         public static final String VIBRATE_ON = "vibrate_on";
   1428 
   1429         /**
   1430          * Ringer volume. This is used internally, changing this value will not
   1431          * change the volume. See AudioManager.
   1432          */
   1433         public static final String VOLUME_RING = "volume_ring";
   1434 
   1435         /**
   1436          * System/notifications volume. This is used internally, changing this
   1437          * value will not change the volume. See AudioManager.
   1438          */
   1439         public static final String VOLUME_SYSTEM = "volume_system";
   1440 
   1441         /**
   1442          * Voice call volume. This is used internally, changing this value will
   1443          * not change the volume. See AudioManager.
   1444          */
   1445         public static final String VOLUME_VOICE = "volume_voice";
   1446 
   1447         /**
   1448          * Music/media/gaming volume. This is used internally, changing this
   1449          * value will not change the volume. See AudioManager.
   1450          */
   1451         public static final String VOLUME_MUSIC = "volume_music";
   1452 
   1453         /**
   1454          * Alarm volume. This is used internally, changing this
   1455          * value will not change the volume. See AudioManager.
   1456          */
   1457         public static final String VOLUME_ALARM = "volume_alarm";
   1458 
   1459         /**
   1460          * Notification volume. This is used internally, changing this
   1461          * value will not change the volume. See AudioManager.
   1462          */
   1463         public static final String VOLUME_NOTIFICATION = "volume_notification";
   1464 
   1465         /**
   1466          * Bluetooth Headset volume. This is used internally, changing this value will
   1467          * not change the volume. See AudioManager.
   1468          */
   1469         public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
   1470 
   1471         /**
   1472          * Whether the notifications should use the ring volume (value of 1) or a separate
   1473          * notification volume (value of 0). In most cases, users will have this enabled so the
   1474          * notification and ringer volumes will be the same. However, power users can disable this
   1475          * and use the separate notification volume control.
   1476          * <p>
   1477          * Note: This is a one-off setting that will be removed in the future when there is profile
   1478          * support. For this reason, it is kept hidden from the public APIs.
   1479          *
   1480          * @hide
   1481          * @deprecated
   1482          */
   1483         @Deprecated
   1484         public static final String NOTIFICATIONS_USE_RING_VOLUME =
   1485             "notifications_use_ring_volume";
   1486 
   1487         /**
   1488          * Whether silent mode should allow vibration feedback. This is used
   1489          * internally in AudioService and the Sound settings activity to
   1490          * coordinate decoupling of vibrate and silent modes. This setting
   1491          * will likely be removed in a future release with support for
   1492          * audio/vibe feedback profiles.
   1493          *
   1494          * @hide
   1495          */
   1496         public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
   1497 
   1498         /**
   1499          * The mapping of stream type (integer) to its setting.
   1500          */
   1501         public static final String[] VOLUME_SETTINGS = {
   1502             VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
   1503             VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
   1504         };
   1505 
   1506         /**
   1507          * Appended to various volume related settings to record the previous
   1508          * values before they the settings were affected by a silent/vibrate
   1509          * ringer mode change.
   1510          */
   1511         public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
   1512 
   1513         /**
   1514          * Persistent store for the system-wide default ringtone URI.
   1515          * <p>
   1516          * If you need to play the default ringtone at any given time, it is recommended
   1517          * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
   1518          * to the set default ringtone at the time of playing.
   1519          *
   1520          * @see #DEFAULT_RINGTONE_URI
   1521          */
   1522         public static final String RINGTONE = "ringtone";
   1523 
   1524         /**
   1525          * A {@link Uri} that will point to the current default ringtone at any
   1526          * given time.
   1527          * <p>
   1528          * If the current default ringtone is in the DRM provider and the caller
   1529          * does not have permission, the exception will be a
   1530          * FileNotFoundException.
   1531          */
   1532         public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
   1533 
   1534         /**
   1535          * Persistent store for the system-wide default notification sound.
   1536          *
   1537          * @see #RINGTONE
   1538          * @see #DEFAULT_NOTIFICATION_URI
   1539          */
   1540         public static final String NOTIFICATION_SOUND = "notification_sound";
   1541 
   1542         /**
   1543          * A {@link Uri} that will point to the current default notification
   1544          * sound at any given time.
   1545          *
   1546          * @see #DEFAULT_RINGTONE_URI
   1547          */
   1548         public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
   1549 
   1550         /**
   1551          * Persistent store for the system-wide default alarm alert.
   1552          *
   1553          * @see #RINGTONE
   1554          * @see #DEFAULT_ALARM_ALERT_URI
   1555          */
   1556         public static final String ALARM_ALERT = "alarm_alert";
   1557 
   1558         /**
   1559          * A {@link Uri} that will point to the current default alarm alert at
   1560          * any given time.
   1561          *
   1562          * @see #DEFAULT_ALARM_ALERT_URI
   1563          */
   1564         public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
   1565 
   1566         /**
   1567          * Persistent store for the system default media button event receiver.
   1568          *
   1569          * @hide
   1570          */
   1571         public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
   1572 
   1573         /**
   1574          * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
   1575          */
   1576         public static final String TEXT_AUTO_REPLACE = "auto_replace";
   1577 
   1578         /**
   1579          * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
   1580          */
   1581         public static final String TEXT_AUTO_CAPS = "auto_caps";
   1582 
   1583         /**
   1584          * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
   1585          * feature converts two spaces to a "." and space.
   1586          */
   1587         public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
   1588 
   1589         /**
   1590          * Setting to showing password characters in text editors. 1 = On, 0 = Off
   1591          */
   1592         public static final String TEXT_SHOW_PASSWORD = "show_password";
   1593 
   1594         public static final String SHOW_GTALK_SERVICE_STATUS =
   1595                 "SHOW_GTALK_SERVICE_STATUS";
   1596 
   1597         /**
   1598          * Name of activity to use for wallpaper on the home screen.
   1599          */
   1600         public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
   1601 
   1602         /**
   1603          * Value to specify if the user prefers the date, time and time zone
   1604          * to be automatically fetched from the network (NITZ). 1=yes, 0=no
   1605          */
   1606         public static final String AUTO_TIME = "auto_time";
   1607 
   1608         /**
   1609          * Value to specify if the user prefers the time zone
   1610          * to be automatically fetched from the network (NITZ). 1=yes, 0=no
   1611          */
   1612         public static final String AUTO_TIME_ZONE = "auto_time_zone";
   1613 
   1614         /**
   1615          * Display times as 12 or 24 hours
   1616          *   12
   1617          *   24
   1618          */
   1619         public static final String TIME_12_24 = "time_12_24";
   1620 
   1621         /**
   1622          * Date format string
   1623          *   mm/dd/yyyy
   1624          *   dd/mm/yyyy
   1625          *   yyyy/mm/dd
   1626          */
   1627         public static final String DATE_FORMAT = "date_format";
   1628 
   1629         /**
   1630          * Whether the setup wizard has been run before (on first boot), or if
   1631          * it still needs to be run.
   1632          *
   1633          * nonzero = it has been run in the past
   1634          * 0 = it has not been run in the past
   1635          */
   1636         public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
   1637 
   1638         /**
   1639          * Scaling factor for normal window animations. Setting to 0 will disable window
   1640          * animations.
   1641          */
   1642         public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
   1643 
   1644         /**
   1645          * Scaling factor for activity transition animations. Setting to 0 will disable window
   1646          * animations.
   1647          */
   1648         public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
   1649 
   1650         /**
   1651          * Scaling factor for normal window animations. Setting to 0 will disable window
   1652          * animations.
   1653          * @hide
   1654          */
   1655         public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
   1656 
   1657         /**
   1658          * Control whether the accelerometer will be used to change screen
   1659          * orientation.  If 0, it will not be used unless explicitly requested
   1660          * by the application; if 1, it will be used by default unless explicitly
   1661          * disabled by the application.
   1662          */
   1663         public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
   1664 
   1665         /**
   1666          * Default screen rotation when no other policy applies.
   1667          * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
   1668          * preference, this rotation value will be used. Must be one of the
   1669          * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
   1670          *
   1671          * @see Display#getRotation
   1672          */
   1673         public static final String USER_ROTATION = "user_rotation";
   1674 
   1675         /**
   1676          * Whether the audible DTMF tones are played by the dialer when dialing. The value is
   1677          * boolean (1 or 0).
   1678          */
   1679         public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
   1680 
   1681         /**
   1682          * CDMA only settings
   1683          * DTMF tone type played by the dialer when dialing.
   1684          *                 0 = Normal
   1685          *                 1 = Long
   1686          * @hide
   1687          */
   1688         public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
   1689 
   1690         /**
   1691          * CDMA only settings
   1692          * Emergency Tone  0 = Off
   1693          *                 1 = Alert
   1694          *                 2 = Vibrate
   1695          * @hide
   1696          */
   1697         public static final String EMERGENCY_TONE = "emergency_tone";
   1698 
   1699         /**
   1700          * CDMA only settings
   1701          * Whether the auto retry is enabled. The value is
   1702          * boolean (1 or 0).
   1703          * @hide
   1704          */
   1705         public static final String CALL_AUTO_RETRY = "call_auto_retry";
   1706 
   1707         /**
   1708          * Whether the hearing aid is enabled. The value is
   1709          * boolean (1 or 0).
   1710          * @hide
   1711          */
   1712         public static final String HEARING_AID = "hearing_aid";
   1713 
   1714         /**
   1715          * CDMA only settings
   1716          * TTY Mode
   1717          * 0 = OFF
   1718          * 1 = FULL
   1719          * 2 = VCO
   1720          * 3 = HCO
   1721          * @hide
   1722          */
   1723         public static final String TTY_MODE = "tty_mode";
   1724 
   1725         /**
   1726          * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
   1727          * boolean (1 or 0).
   1728          */
   1729         public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
   1730 
   1731         /**
   1732          * Whether the haptic feedback (long presses, ...) are enabled. The value is
   1733          * boolean (1 or 0).
   1734          */
   1735         public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
   1736 
   1737         /**
   1738          * @deprecated Each application that shows web suggestions should have its own
   1739          * setting for this.
   1740          */
   1741         @Deprecated
   1742         public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
   1743 
   1744         /**
   1745          * Whether the notification LED should repeatedly flash when a notification is
   1746          * pending. The value is boolean (1 or 0).
   1747          * @hide
   1748          */
   1749         public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
   1750 
   1751         /**
   1752          * Show pointer location on screen?
   1753          * 0 = no
   1754          * 1 = yes
   1755          * @hide
   1756          */
   1757         public static final String POINTER_LOCATION = "pointer_location";
   1758 
   1759         /**
   1760          * Show touch positions on screen?
   1761          * 0 = no
   1762          * 1 = yes
   1763          * @hide
   1764          */
   1765         public static final String SHOW_TOUCHES = "show_touches";
   1766 
   1767         /**
   1768          * Log raw orientation data from {@link WindowOrientationListener} for use with the
   1769          * orientationplot.py tool.
   1770          * 0 = no
   1771          * 1 = yes
   1772          * @hide
   1773          */
   1774         public static final String WINDOW_ORIENTATION_LISTENER_LOG =
   1775                 "window_orientation_listener_log";
   1776 
   1777         /**
   1778          * Whether to play a sound for low-battery alerts.
   1779          * @hide
   1780          */
   1781         public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
   1782 
   1783         /**
   1784          * Whether to play a sound for dock events.
   1785          * @hide
   1786          */
   1787         public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
   1788 
   1789         /**
   1790          * Whether to play sounds when the keyguard is shown and dismissed.
   1791          * @hide
   1792          */
   1793         public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
   1794 
   1795         /**
   1796          * URI for the low battery sound file.
   1797          * @hide
   1798          */
   1799         public static final String LOW_BATTERY_SOUND = "low_battery_sound";
   1800 
   1801         /**
   1802          * URI for the desk dock "in" event sound.
   1803          * @hide
   1804          */
   1805         public static final String DESK_DOCK_SOUND = "desk_dock_sound";
   1806 
   1807         /**
   1808          * URI for the desk dock "out" event sound.
   1809          * @hide
   1810          */
   1811         public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
   1812 
   1813         /**
   1814          * URI for the car dock "in" event sound.
   1815          * @hide
   1816          */
   1817         public static final String CAR_DOCK_SOUND = "car_dock_sound";
   1818 
   1819         /**
   1820          * URI for the car dock "out" event sound.
   1821          * @hide
   1822          */
   1823         public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
   1824 
   1825         /**
   1826          * URI for the "device locked" (keyguard shown) sound.
   1827          * @hide
   1828          */
   1829         public static final String LOCK_SOUND = "lock_sound";
   1830 
   1831         /**
   1832          * URI for the "device unlocked" (keyguard dismissed) sound.
   1833          * @hide
   1834          */
   1835         public static final String UNLOCK_SOUND = "unlock_sound";
   1836 
   1837         /**
   1838          * Receive incoming SIP calls?
   1839          * 0 = no
   1840          * 1 = yes
   1841          * @hide
   1842          */
   1843         public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
   1844 
   1845         /**
   1846          * Call Preference String.
   1847          * "SIP_ALWAYS" : Always use SIP with network access
   1848          * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
   1849          * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
   1850          * @hide
   1851          */
   1852         public static final String SIP_CALL_OPTIONS = "sip_call_options";
   1853 
   1854         /**
   1855          * One of the sip call options: Always use SIP with network access.
   1856          * @hide
   1857          */
   1858         public static final String SIP_ALWAYS = "SIP_ALWAYS";
   1859 
   1860         /**
   1861          * One of the sip call options: Only if destination is a SIP address.
   1862          * @hide
   1863          */
   1864         public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
   1865 
   1866         /**
   1867          * One of the sip call options: Always ask me each time.
   1868          * @hide
   1869          */
   1870         public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
   1871 
   1872         /**
   1873          * Pointer speed setting.
   1874          * This is an integer value in a range between -7 and +7, so there are 15 possible values.
   1875          *   -7 = slowest
   1876          *    0 = default speed
   1877          *   +7 = fastest
   1878          * @hide
   1879          */
   1880         public static final String POINTER_SPEED = "pointer_speed";
   1881 
   1882         /**
   1883          * Settings to backup. This is here so that it's in the same place as the settings
   1884          * keys and easy to update.
   1885          *
   1886          * NOTE: Settings are backed up and restored in the order they appear
   1887          *       in this array. If you have one setting depending on another,
   1888          *       make sure that they are ordered appropriately.
   1889          *
   1890          * @hide
   1891          */
   1892         public static final String[] SETTINGS_TO_BACKUP = {
   1893             STAY_ON_WHILE_PLUGGED_IN,
   1894             WIFI_USE_STATIC_IP,
   1895             WIFI_STATIC_IP,
   1896             WIFI_STATIC_GATEWAY,
   1897             WIFI_STATIC_NETMASK,
   1898             WIFI_STATIC_DNS1,
   1899             WIFI_STATIC_DNS2,
   1900             BLUETOOTH_DISCOVERABILITY,
   1901             BLUETOOTH_DISCOVERABILITY_TIMEOUT,
   1902             DIM_SCREEN,
   1903             SCREEN_OFF_TIMEOUT,
   1904             SCREEN_BRIGHTNESS,
   1905             SCREEN_BRIGHTNESS_MODE,
   1906             VIBRATE_ON,
   1907             MODE_RINGER,
   1908             MODE_RINGER_STREAMS_AFFECTED,
   1909             MUTE_STREAMS_AFFECTED,
   1910             VOLUME_VOICE,
   1911             VOLUME_SYSTEM,
   1912             VOLUME_RING,
   1913             VOLUME_MUSIC,
   1914             VOLUME_ALARM,
   1915             VOLUME_NOTIFICATION,
   1916             VOLUME_BLUETOOTH_SCO,
   1917             VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
   1918             VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
   1919             VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
   1920             VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
   1921             VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
   1922             VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
   1923             VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
   1924             VIBRATE_IN_SILENT,
   1925             TEXT_AUTO_REPLACE,
   1926             TEXT_AUTO_CAPS,
   1927             TEXT_AUTO_PUNCTUATE,
   1928             TEXT_SHOW_PASSWORD,
   1929             AUTO_TIME,
   1930             AUTO_TIME_ZONE,
   1931             TIME_12_24,
   1932             DATE_FORMAT,
   1933             ACCELEROMETER_ROTATION,
   1934             USER_ROTATION,
   1935             DTMF_TONE_WHEN_DIALING,
   1936             DTMF_TONE_TYPE_WHEN_DIALING,
   1937             EMERGENCY_TONE,
   1938             CALL_AUTO_RETRY,
   1939             HEARING_AID,
   1940             TTY_MODE,
   1941             SOUND_EFFECTS_ENABLED,
   1942             HAPTIC_FEEDBACK_ENABLED,
   1943             POWER_SOUNDS_ENABLED,
   1944             DOCK_SOUNDS_ENABLED,
   1945             LOCKSCREEN_SOUNDS_ENABLED,
   1946             SHOW_WEB_SUGGESTIONS,
   1947             NOTIFICATION_LIGHT_PULSE,
   1948             SIP_CALL_OPTIONS,
   1949             SIP_RECEIVE_CALLS,
   1950             POINTER_SPEED,
   1951         };
   1952 
   1953         // Settings moved to Settings.Secure
   1954 
   1955         /**
   1956          * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
   1957          * instead
   1958          */
   1959         @Deprecated
   1960         public static final String ADB_ENABLED = Secure.ADB_ENABLED;
   1961 
   1962         /**
   1963          * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
   1964          */
   1965         @Deprecated
   1966         public static final String ANDROID_ID = Secure.ANDROID_ID;
   1967 
   1968         /**
   1969          * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
   1970          */
   1971         @Deprecated
   1972         public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
   1973 
   1974         /**
   1975          * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
   1976          */
   1977         @Deprecated
   1978         public static final String DATA_ROAMING = Secure.DATA_ROAMING;
   1979 
   1980         /**
   1981          * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
   1982          */
   1983         @Deprecated
   1984         public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
   1985 
   1986         /**
   1987          * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
   1988          */
   1989         @Deprecated
   1990         public static final String HTTP_PROXY = Secure.HTTP_PROXY;
   1991 
   1992         /**
   1993          * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
   1994          */
   1995         @Deprecated
   1996         public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
   1997 
   1998         /**
   1999          * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
   2000          * instead
   2001          */
   2002         @Deprecated
   2003         public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
   2004 
   2005         /**
   2006          * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
   2007          */
   2008         @Deprecated
   2009         public static final String LOGGING_ID = Secure.LOGGING_ID;
   2010 
   2011         /**
   2012          * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
   2013          */
   2014         @Deprecated
   2015         public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
   2016 
   2017         /**
   2018          * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
   2019          * instead
   2020          */
   2021         @Deprecated
   2022         public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
   2023 
   2024         /**
   2025          * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
   2026          * instead
   2027          */
   2028         @Deprecated
   2029         public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
   2030 
   2031         /**
   2032          * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
   2033          * instead
   2034          */
   2035         @Deprecated
   2036         public static final String PARENTAL_CONTROL_REDIRECT_URL =
   2037             Secure.PARENTAL_CONTROL_REDIRECT_URL;
   2038 
   2039         /**
   2040          * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
   2041          */
   2042         @Deprecated
   2043         public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
   2044 
   2045         /**
   2046          * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
   2047          */
   2048         @Deprecated
   2049         public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
   2050 
   2051         /**
   2052          * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
   2053          */
   2054         @Deprecated
   2055         public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
   2056 
   2057        /**
   2058          * @deprecated Use
   2059          * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
   2060          */
   2061         @Deprecated
   2062         public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
   2063 
   2064         /**
   2065          * @deprecated Use
   2066          * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
   2067          */
   2068         @Deprecated
   2069         public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
   2070                 Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
   2071 
   2072         /**
   2073          * @deprecated Use
   2074          * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
   2075          */
   2076         @Deprecated
   2077         public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
   2078             Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
   2079 
   2080         /**
   2081          * @deprecated Use
   2082          * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
   2083          */
   2084         @Deprecated
   2085         public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
   2086             Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
   2087 
   2088         /**
   2089          * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
   2090          * instead
   2091          */
   2092         @Deprecated
   2093         public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
   2094 
   2095         /**
   2096          * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
   2097          */
   2098         @Deprecated
   2099         public static final String WIFI_ON = Secure.WIFI_ON;
   2100 
   2101         /**
   2102          * @deprecated Use
   2103          * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
   2104          * instead
   2105          */
   2106         @Deprecated
   2107         public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
   2108                 Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
   2109 
   2110         /**
   2111          * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
   2112          */
   2113         @Deprecated
   2114         public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
   2115 
   2116         /**
   2117          * @deprecated Use
   2118          * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
   2119          */
   2120         @Deprecated
   2121         public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
   2122                 Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
   2123 
   2124         /**
   2125          * @deprecated Use
   2126          * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
   2127          */
   2128         @Deprecated
   2129         public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
   2130                 Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
   2131 
   2132         /**
   2133          * @deprecated Use
   2134          * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
   2135          * instead
   2136          */
   2137         @Deprecated
   2138         public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
   2139                 Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
   2140 
   2141         /**
   2142          * @deprecated Use
   2143          * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
   2144          */
   2145         @Deprecated
   2146         public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
   2147             Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
   2148 
   2149         /**
   2150          * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
   2151          * instead
   2152          */
   2153         @Deprecated
   2154         public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
   2155 
   2156         /**
   2157          * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
   2158          */
   2159         @Deprecated
   2160         public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
   2161 
   2162         /**
   2163          * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
   2164          */
   2165         @Deprecated
   2166         public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
   2167 
   2168         /**
   2169          * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
   2170          * instead
   2171          */
   2172         @Deprecated
   2173         public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
   2174 
   2175         /**
   2176          * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
   2177          * instead
   2178          */
   2179         @Deprecated
   2180         public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
   2181             Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
   2182     }
   2183 
   2184     /**
   2185      * Secure system settings, containing system preferences that applications
   2186      * can read but are not allowed to write.  These are for preferences that
   2187      * the user must explicitly modify through the system UI or specialized
   2188      * APIs for those values, not modified directly by applications.
   2189      */
   2190     public static final class Secure extends NameValueTable {
   2191         public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
   2192 
   2193         // Populated lazily, guarded by class object:
   2194         private static NameValueCache sNameValueCache = null;
   2195 
   2196         /**
   2197          * Look up a name in the database.
   2198          * @param resolver to access the database with
   2199          * @param name to look up in the table
   2200          * @return the corresponding value, or null if not present
   2201          */
   2202         public synchronized static String getString(ContentResolver resolver, String name) {
   2203             if (sNameValueCache == null) {
   2204                 sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
   2205                                                      CALL_METHOD_GET_SECURE);
   2206             }
   2207             return sNameValueCache.getString(resolver, name);
   2208         }
   2209 
   2210         /**
   2211          * Store a name/value pair into the database.
   2212          * @param resolver to access the database with
   2213          * @param name to store
   2214          * @param value to associate with the name
   2215          * @return true if the value was set, false on database errors
   2216          */
   2217         public static boolean putString(ContentResolver resolver,
   2218                 String name, String value) {
   2219             return putString(resolver, CONTENT_URI, name, value);
   2220         }
   2221 
   2222         /**
   2223          * Construct the content URI for a particular name/value pair,
   2224          * useful for monitoring changes with a ContentObserver.
   2225          * @param name to look up in the table
   2226          * @return the corresponding content URI, or null if not present
   2227          */
   2228         public static Uri getUriFor(String name) {
   2229             return getUriFor(CONTENT_URI, name);
   2230         }
   2231 
   2232         /**
   2233          * Convenience function for retrieving a single secure settings value
   2234          * as an integer.  Note that internally setting values are always
   2235          * stored as strings; this function converts the string to an integer
   2236          * for you.  The default value will be returned if the setting is
   2237          * not defined or not an integer.
   2238          *
   2239          * @param cr The ContentResolver to access.
   2240          * @param name The name of the setting to retrieve.
   2241          * @param def Value to return if the setting is not defined.
   2242          *
   2243          * @return The setting's current value, or 'def' if it is not defined
   2244          * or not a valid integer.
   2245          */
   2246         public static int getInt(ContentResolver cr, String name, int def) {
   2247             String v = getString(cr, name);
   2248             try {
   2249                 return v != null ? Integer.parseInt(v) : def;
   2250             } catch (NumberFormatException e) {
   2251                 return def;
   2252             }
   2253         }
   2254 
   2255         /**
   2256          * Convenience function for retrieving a single secure settings value
   2257          * as an integer.  Note that internally setting values are always
   2258          * stored as strings; this function converts the string to an integer
   2259          * for you.
   2260          * <p>
   2261          * This version does not take a default value.  If the setting has not
   2262          * been set, or the string value is not a number,
   2263          * it throws {@link SettingNotFoundException}.
   2264          *
   2265          * @param cr The ContentResolver to access.
   2266          * @param name The name of the setting to retrieve.
   2267          *
   2268          * @throws SettingNotFoundException Thrown if a setting by the given
   2269          * name can't be found or the setting value is not an integer.
   2270          *
   2271          * @return The setting's current value.
   2272          */
   2273         public static int getInt(ContentResolver cr, String name)
   2274                 throws SettingNotFoundException {
   2275             String v = getString(cr, name);
   2276             try {
   2277                 return Integer.parseInt(v);
   2278             } catch (NumberFormatException e) {
   2279                 throw new SettingNotFoundException(name);
   2280             }
   2281         }
   2282 
   2283         /**
   2284          * Convenience function for updating a single settings value as an
   2285          * integer. This will either create a new entry in the table if the
   2286          * given name does not exist, or modify the value of the existing row
   2287          * with that name.  Note that internally setting values are always
   2288          * stored as strings, so this function converts the given value to a
   2289          * string before storing it.
   2290          *
   2291          * @param cr The ContentResolver to access.
   2292          * @param name The name of the setting to modify.
   2293          * @param value The new value for the setting.
   2294          * @return true if the value was set, false on database errors
   2295          */
   2296         public static boolean putInt(ContentResolver cr, String name, int value) {
   2297             return putString(cr, name, Integer.toString(value));
   2298         }
   2299 
   2300         /**
   2301          * Convenience function for retrieving a single secure settings value
   2302          * as a {@code long}.  Note that internally setting values are always
   2303          * stored as strings; this function converts the string to a {@code long}
   2304          * for you.  The default value will be returned if the setting is
   2305          * not defined or not a {@code long}.
   2306          *
   2307          * @param cr The ContentResolver to access.
   2308          * @param name The name of the setting to retrieve.
   2309          * @param def Value to return if the setting is not defined.
   2310          *
   2311          * @return The setting's current value, or 'def' if it is not defined
   2312          * or not a valid {@code long}.
   2313          */
   2314         public static long getLong(ContentResolver cr, String name, long def) {
   2315             String valString = getString(cr, name);
   2316             long value;
   2317             try {
   2318                 value = valString != null ? Long.parseLong(valString) : def;
   2319             } catch (NumberFormatException e) {
   2320                 value = def;
   2321             }
   2322             return value;
   2323         }
   2324 
   2325         /**
   2326          * Convenience function for retrieving a single secure settings value
   2327          * as a {@code long}.  Note that internally setting values are always
   2328          * stored as strings; this function converts the string to a {@code long}
   2329          * for you.
   2330          * <p>
   2331          * This version does not take a default value.  If the setting has not
   2332          * been set, or the string value is not a number,
   2333          * it throws {@link SettingNotFoundException}.
   2334          *
   2335          * @param cr The ContentResolver to access.
   2336          * @param name The name of the setting to retrieve.
   2337          *
   2338          * @return The setting's current value.
   2339          * @throws SettingNotFoundException Thrown if a setting by the given
   2340          * name can't be found or the setting value is not an integer.
   2341          */
   2342         public static long getLong(ContentResolver cr, String name)
   2343                 throws SettingNotFoundException {
   2344             String valString = getString(cr, name);
   2345             try {
   2346                 return Long.parseLong(valString);
   2347             } catch (NumberFormatException e) {
   2348                 throw new SettingNotFoundException(name);
   2349             }
   2350         }
   2351 
   2352         /**
   2353          * Convenience function for updating a secure settings value as a long
   2354          * integer. This will either create a new entry in the table if the
   2355          * given name does not exist, or modify the value of the existing row
   2356          * with that name.  Note that internally setting values are always
   2357          * stored as strings, so this function converts the given value to a
   2358          * string before storing it.
   2359          *
   2360          * @param cr The ContentResolver to access.
   2361          * @param name The name of the setting to modify.
   2362          * @param value The new value for the setting.
   2363          * @return true if the value was set, false on database errors
   2364          */
   2365         public static boolean putLong(ContentResolver cr, String name, long value) {
   2366             return putString(cr, name, Long.toString(value));
   2367         }
   2368 
   2369         /**
   2370          * Convenience function for retrieving a single secure settings value
   2371          * as a floating point number.  Note that internally setting values are
   2372          * always stored as strings; this function converts the string to an
   2373          * float for you. The default value will be returned if the setting
   2374          * is not defined or not a valid float.
   2375          *
   2376          * @param cr The ContentResolver to access.
   2377          * @param name The name of the setting to retrieve.
   2378          * @param def Value to return if the setting is not defined.
   2379          *
   2380          * @return The setting's current value, or 'def' if it is not defined
   2381          * or not a valid float.
   2382          */
   2383         public static float getFloat(ContentResolver cr, String name, float def) {
   2384             String v = getString(cr, name);
   2385             try {
   2386                 return v != null ? Float.parseFloat(v) : def;
   2387             } catch (NumberFormatException e) {
   2388                 return def;
   2389             }
   2390         }
   2391 
   2392         /**
   2393          * Convenience function for retrieving a single secure settings value
   2394          * as a float.  Note that internally setting values are always
   2395          * stored as strings; this function converts the string to a float
   2396          * for you.
   2397          * <p>
   2398          * This version does not take a default value.  If the setting has not
   2399          * been set, or the string value is not a number,
   2400          * it throws {@link SettingNotFoundException}.
   2401          *
   2402          * @param cr The ContentResolver to access.
   2403          * @param name The name of the setting to retrieve.
   2404          *
   2405          * @throws SettingNotFoundException Thrown if a setting by the given
   2406          * name can't be found or the setting value is not a float.
   2407          *
   2408          * @return The setting's current value.
   2409          */
   2410         public static float getFloat(ContentResolver cr, String name)
   2411                 throws SettingNotFoundException {
   2412             String v = getString(cr, name);
   2413             if (v == null) {
   2414                 throw new SettingNotFoundException(name);
   2415             }
   2416             try {
   2417                 return Float.parseFloat(v);
   2418             } catch (NumberFormatException e) {
   2419                 throw new SettingNotFoundException(name);
   2420             }
   2421         }
   2422 
   2423         /**
   2424          * Convenience function for updating a single settings value as a
   2425          * floating point number. This will either create a new entry in the
   2426          * table if the given name does not exist, or modify the value of the
   2427          * existing row with that name.  Note that internally setting values
   2428          * are always stored as strings, so this function converts the given
   2429          * value to a string before storing it.
   2430          *
   2431          * @param cr The ContentResolver to access.
   2432          * @param name The name of the setting to modify.
   2433          * @param value The new value for the setting.
   2434          * @return true if the value was set, false on database errors
   2435          */
   2436         public static boolean putFloat(ContentResolver cr, String name, float value) {
   2437             return putString(cr, name, Float.toString(value));
   2438         }
   2439 
   2440         /**
   2441          * The content:// style URL for this table
   2442          */
   2443         public static final Uri CONTENT_URI =
   2444             Uri.parse("content://" + AUTHORITY + "/secure");
   2445 
   2446         /**
   2447          * Whether ADB is enabled.
   2448          */
   2449         public static final String ADB_ENABLED = "adb_enabled";
   2450 
   2451         /**
   2452          * Setting to allow mock locations and location provider status to be injected into the
   2453          * LocationManager service for testing purposes during application development.  These
   2454          * locations and status values  override actual location and status information generated
   2455          * by network, gps, or other location providers.
   2456          */
   2457         public static final String ALLOW_MOCK_LOCATION = "mock_location";
   2458 
   2459         /**
   2460          * A 64-bit number (as a hex string) that is randomly
   2461          * generated on the device's first boot and should remain
   2462          * constant for the lifetime of the device.  (The value may
   2463          * change if a factory reset is performed on the device.)
   2464          */
   2465         public static final String ANDROID_ID = "android_id";
   2466 
   2467         /**
   2468          * Whether bluetooth is enabled/disabled
   2469          * 0=disabled. 1=enabled.
   2470          */
   2471         public static final String BLUETOOTH_ON = "bluetooth_on";
   2472 
   2473         /**
   2474          * Get the key that retrieves a bluetooth headset's priority.
   2475          * @hide
   2476          */
   2477         public static final String getBluetoothHeadsetPriorityKey(String address) {
   2478             return ("bluetooth_headset_priority_" + address.toUpperCase());
   2479         }
   2480 
   2481         /**
   2482          * Get the key that retrieves a bluetooth a2dp sink's priority.
   2483          * @hide
   2484          */
   2485         public static final String getBluetoothA2dpSinkPriorityKey(String address) {
   2486             return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
   2487         }
   2488 
   2489         /**
   2490          * Get the key that retrieves a bluetooth Input Device's priority.
   2491          * @hide
   2492          */
   2493         public static final String getBluetoothInputDevicePriorityKey(String address) {
   2494             return ("bluetooth_input_device_priority_" + address.toUpperCase());
   2495         }
   2496 
   2497         /**
   2498          * Whether or not data roaming is enabled. (0 = false, 1 = true)
   2499          */
   2500         public static final String DATA_ROAMING = "data_roaming";
   2501 
   2502         /**
   2503          * Setting to record the input method used by default, holding the ID
   2504          * of the desired method.
   2505          */
   2506         public static final String DEFAULT_INPUT_METHOD = "default_input_method";
   2507 
   2508         /**
   2509          * Setting to record the input method subtype used by default, holding the ID
   2510          * of the desired method.
   2511          */
   2512         public static final String SELECTED_INPUT_METHOD_SUBTYPE =
   2513                 "selected_input_method_subtype";
   2514 
   2515         /**
   2516          * Setting to record the history of input method subtype, holding the pair of ID of IME
   2517          * and its last used subtype.
   2518          * @hide
   2519          */
   2520         public static final String INPUT_METHODS_SUBTYPE_HISTORY =
   2521                 "input_methods_subtype_history";
   2522 
   2523         /**
   2524          * Setting to record the visibility of input method selector
   2525          */
   2526         public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
   2527                 "input_method_selector_visibility";
   2528 
   2529         /**
   2530          * Whether the device has been provisioned (0 = false, 1 = true)
   2531          */
   2532         public static final String DEVICE_PROVISIONED = "device_provisioned";
   2533 
   2534         /**
   2535          * List of input methods that are currently enabled.  This is a string
   2536          * containing the IDs of all enabled input methods, each ID separated
   2537          * by ':'.
   2538          */
   2539         public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
   2540 
   2541         /**
   2542          * List of system input methods that are currently disabled.  This is a string
   2543          * containing the IDs of all disabled input methods, each ID separated
   2544          * by ':'.
   2545          * @hide
   2546          */
   2547         public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
   2548 
   2549         /**
   2550          * Host name and port for global http proxy.  Uses ':' seperator for between host and port
   2551          * TODO - deprecate in favor of global_http_proxy_host, etc
   2552          */
   2553         public static final String HTTP_PROXY = "http_proxy";
   2554 
   2555         /**
   2556          * Host name for global http proxy.  Set via ConnectivityManager.
   2557          * @hide
   2558          */
   2559         public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
   2560 
   2561         /**
   2562          * Integer host port for global http proxy.  Set via ConnectivityManager.
   2563          * @hide
   2564          */
   2565         public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
   2566 
   2567         /**
   2568          * Exclusion list for global proxy. This string contains a list of comma-separated
   2569          * domains where the global proxy does not apply. Domains should be listed in a comma-
   2570          * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
   2571          * Use ConnectivityManager to set/get.
   2572          * @hide
   2573          */
   2574         public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
   2575                 "global_http_proxy_exclusion_list";
   2576 
   2577         /**
   2578          * Enables the UI setting to allow the user to specify the global HTTP proxy
   2579          * and associated exclusion list.
   2580          * @hide
   2581          */
   2582         public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
   2583 
   2584         /**
   2585          * Setting for default DNS in case nobody suggests one
   2586          * @hide
   2587          */
   2588         public static final String DEFAULT_DNS_SERVER = "default_dns_server";
   2589 
   2590         /**
   2591          * Whether the package installer should allow installation of apps downloaded from
   2592          * sources other than the Android Market (vending machine).
   2593          *
   2594          * 1 = allow installing from other sources
   2595          * 0 = only allow installing from the Android Market
   2596          */
   2597         public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
   2598 
   2599         /**
   2600          * Comma-separated list of location providers that activities may access.
   2601          */
   2602         public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
   2603 
   2604         /**
   2605          * Whether autolock is enabled (0 = false, 1 = true)
   2606          */
   2607         public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
   2608 
   2609         /**
   2610          * Whether lock pattern is visible as user enters (0 = false, 1 = true)
   2611          */
   2612         public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
   2613 
   2614         /**
   2615          * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
   2616          */
   2617         public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
   2618             "lock_pattern_tactile_feedback_enabled";
   2619 
   2620         /**
   2621          * This preference allows the device to be locked given time after screen goes off,
   2622          * subject to current DeviceAdmin policy limits.
   2623          * @hide
   2624          */
   2625         public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
   2626 
   2627 
   2628         /**
   2629          * This preference contains the string that shows for owner info on LockScren.
   2630          * @hide
   2631          */
   2632         public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
   2633 
   2634         /**
   2635          * This preference enables showing the owner info on LockScren.
   2636          * @hide
   2637          */
   2638         public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
   2639             "lock_screen_owner_info_enabled";
   2640 
   2641         /**
   2642          * The saved value for WindowManagerService.setForcedDisplaySize().
   2643          * Two integers separated by a comma.  If unset, then use the real display size.
   2644          * @hide
   2645          */
   2646         public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
   2647 
   2648         /**
   2649          * Whether assisted GPS should be enabled or not.
   2650          * @hide
   2651          */
   2652         public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
   2653 
   2654         /**
   2655          * The Logging ID (a unique 64-bit value) as a hex string.
   2656          * Used as a pseudonymous identifier for logging.
   2657          * @deprecated This identifier is poorly initialized and has
   2658          * many collisions.  It should not be used.
   2659          */
   2660         @Deprecated
   2661         public static final String LOGGING_ID = "logging_id";
   2662 
   2663         /**
   2664          * User preference for which network(s) should be used. Only the
   2665          * connectivity service should touch this.
   2666          */
   2667         public static final String NETWORK_PREFERENCE = "network_preference";
   2668 
   2669         /**
   2670          * Used to disable Tethering on a device - defaults to true
   2671          * @hide
   2672          */
   2673         public static final String TETHER_SUPPORTED = "tether_supported";
   2674 
   2675         /**
   2676          * Used to require DUN APN on the device or not - defaults to a build config value
   2677          * which defaults to false
   2678          * @hide
   2679          */
   2680         public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
   2681 
   2682         /**
   2683          * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
   2684          * corresponding build config values are set it will override the APN DB
   2685          * values.
   2686          * Consists of a comma seperated list of strings:
   2687          * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
   2688          * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
   2689          * @hide
   2690          */
   2691         public static final String TETHER_DUN_APN = "tether_dun_apn";
   2692 
   2693         /**
   2694          * No longer supported.
   2695          */
   2696         public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
   2697 
   2698         /**
   2699          * No longer supported.
   2700          */
   2701         public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
   2702 
   2703         /**
   2704          * No longer supported.
   2705          */
   2706         public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
   2707 
   2708         /**
   2709          * A positive value indicates how often the SamplingProfiler
   2710          * should take snapshots. Zero value means SamplingProfiler
   2711          * is disabled.
   2712          *
   2713          * @hide
   2714          */
   2715         public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
   2716 
   2717         /**
   2718          * Settings classname to launch when Settings is clicked from All
   2719          * Applications.  Needed because of user testing between the old
   2720          * and new Settings apps.
   2721          */
   2722         // TODO: 881807
   2723         public static final String SETTINGS_CLASSNAME = "settings_classname";
   2724 
   2725         /**
   2726          * USB Mass Storage Enabled
   2727          */
   2728         public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
   2729 
   2730         /**
   2731          * If this setting is set (to anything), then all references
   2732          * to Gmail on the device must change to Google Mail.
   2733          */
   2734         public static final String USE_GOOGLE_MAIL = "use_google_mail";
   2735 
   2736         /**
   2737          * If accessibility is enabled.
   2738          */
   2739         public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
   2740 
   2741         /**
   2742          * If touch exploration is enabled.
   2743          */
   2744         public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
   2745 
   2746         /**
   2747          * List of the enabled accessibility providers.
   2748          */
   2749         public static final String ENABLED_ACCESSIBILITY_SERVICES =
   2750             "enabled_accessibility_services";
   2751 
   2752         /**
   2753          * If injection of accessibility enhancing JavaScript scripts
   2754          * is enabled.
   2755          * <p>
   2756          *   Note: Accessibility injecting scripts are served by the
   2757          *   Google infrastructure and enable users with disabilities to
   2758          *   efficiantly navigate in and explore web content.
   2759          * </p>
   2760          * <p>
   2761          *   This property represents a boolean value.
   2762          * </p>
   2763          * @hide
   2764          */
   2765         public static final String ACCESSIBILITY_SCRIPT_INJECTION =
   2766             "accessibility_script_injection";
   2767 
   2768         /**
   2769          * Key bindings for navigation in built-in accessibility support for web content.
   2770          * <p>
   2771          *   Note: These key bindings are for the built-in accessibility navigation for
   2772          *   web content which is used as a fall back solution if JavaScript in a WebView
   2773          *   is not enabled or the user has not opted-in script injection from Google.
   2774          * </p>
   2775          * <p>
   2776          *   The bindings are separated by semi-colon. A binding is a mapping from
   2777          *   a key to a sequence of actions (for more details look at
   2778          *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
   2779          *   string representation of an integer obtained from a meta state (optional) shifted
   2780          *   sixteen times left and bitwise ored with a key code. An action is represented
   2781          *   as a hexademical string representation of an integer where the first two digits
   2782          *   are navigation action index, the second, the third, and the fourth digit pairs
   2783          *   represent the action arguments. The separate actions in a binding are colon
   2784          *   separated. The key and the action sequence it maps to are separated by equals.
   2785          * </p>
   2786          * <p>
   2787          *   For example, the binding below maps the DPAD right button to traverse the
   2788          *   current navigation axis once without firing an accessibility event and to
   2789          *   perform the same traversal again but to fire an event:
   2790          *   <code>
   2791          *     0x16=0x01000100:0x01000101;
   2792          *   </code>
   2793          * </p>
   2794          * <p>
   2795          *   The goal of this binding is to enable dynamic rebinding of keys to
   2796          *   navigation actions for web content without requiring a framework change.
   2797          * </p>
   2798          * <p>
   2799          *   This property represents a string value.
   2800          * </p>
   2801          * @hide
   2802          */
   2803         public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
   2804             "accessibility_web_content_key_bindings";
   2805 
   2806         /**
   2807          * The timout for considering a press to be a long press in milliseconds.
   2808          * @hide
   2809          */
   2810         public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
   2811 
   2812         /**
   2813          * Setting to always use the default text-to-speech settings regardless
   2814          * of the application settings.
   2815          * 1 = override application settings,
   2816          * 0 = use application settings (if specified).
   2817          *
   2818          * @deprecated  The value of this setting is no longer respected by
   2819          * the framework text to speech APIs as of the Ice Cream Sandwich release.
   2820          */
   2821         @Deprecated
   2822         public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
   2823 
   2824         /**
   2825          * Default text-to-speech engine speech rate. 100 = 1x
   2826          */
   2827         public static final String TTS_DEFAULT_RATE = "tts_default_rate";
   2828 
   2829         /**
   2830          * Default text-to-speech engine pitch. 100 = 1x
   2831          */
   2832         public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
   2833 
   2834         /**
   2835          * Default text-to-speech engine.
   2836          */
   2837         public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
   2838 
   2839         /**
   2840          * Default text-to-speech language.
   2841          *
   2842          * @deprecated this setting is no longer in use, as of the Ice Cream
   2843          * Sandwich release. Apps should never need to read this setting directly,
   2844          * instead can query the TextToSpeech framework classes for the default
   2845          * locale. {@link TextToSpeech#getLanguage()}.
   2846          */
   2847         @Deprecated
   2848         public static final String TTS_DEFAULT_LANG = "tts_default_lang";
   2849 
   2850         /**
   2851          * Default text-to-speech country.
   2852          *
   2853          * @deprecated this setting is no longer in use, as of the Ice Cream
   2854          * Sandwich release. Apps should never need to read this setting directly,
   2855          * instead can query the TextToSpeech framework classes for the default
   2856          * locale. {@link TextToSpeech#getLanguage()}.
   2857          */
   2858         @Deprecated
   2859         public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
   2860 
   2861         /**
   2862          * Default text-to-speech locale variant.
   2863          *
   2864          * @deprecated this setting is no longer in use, as of the Ice Cream
   2865          * Sandwich release. Apps should never need to read this setting directly,
   2866          * instead can query the TextToSpeech framework classes for the
   2867          * locale that is in use {@link TextToSpeech#getLanguage()}.
   2868          */
   2869         @Deprecated
   2870         public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
   2871 
   2872         /**
   2873          * Stores the default tts locales on a per engine basis. Stored as
   2874          * a comma seperated list of values, each value being of the form
   2875          * {@code engine_name:locale} for example,
   2876          * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
   2877          * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
   2878          * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
   2879          * setting directly, and can query the TextToSpeech framework classes
   2880          * for the locale that is in use.
   2881          *
   2882          * @hide
   2883          */
   2884         public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
   2885 
   2886         /**
   2887          * Space delimited list of plugin packages that are enabled.
   2888          */
   2889         public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
   2890 
   2891         /**
   2892          * Whether to notify the user of open networks.
   2893          * <p>
   2894          * If not connected and the scan results have an open network, we will
   2895          * put this notification up. If we attempt to connect to a network or
   2896          * the open network(s) disappear, we remove the notification. When we
   2897          * show the notification, we will not show it again for
   2898          * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
   2899          */
   2900         public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
   2901                 "wifi_networks_available_notification_on";
   2902 
   2903         /**
   2904          * Delay (in seconds) before repeating the Wi-Fi networks available notification.
   2905          * Connecting to a network will reset the timer.
   2906          */
   2907         public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
   2908                 "wifi_networks_available_repeat_delay";
   2909 
   2910         /**
   2911          * 802.11 country code in ISO 3166 format
   2912          * @hide
   2913          */
   2914         public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
   2915 
   2916 
   2917         /**
   2918          * When the number of open networks exceeds this number, the
   2919          * least-recently-used excess networks will be removed.
   2920          */
   2921         public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
   2922 
   2923         /**
   2924          * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
   2925          */
   2926         public static final String WIFI_ON = "wifi_on";
   2927 
   2928         /**
   2929          * Used to save the Wifi_ON state prior to tethering.
   2930          * This state will be checked to restore Wifi after
   2931          * the user turns off tethering.
   2932          *
   2933          * @hide
   2934          */
   2935         public static final String WIFI_SAVED_STATE = "wifi_saved_state";
   2936 
   2937         /**
   2938          * AP SSID
   2939          *
   2940          * @hide
   2941          */
   2942         public static final String WIFI_AP_SSID = "wifi_ap_ssid";
   2943 
   2944         /**
   2945          * AP security
   2946          *
   2947          * @hide
   2948          */
   2949         public static final String WIFI_AP_SECURITY = "wifi_ap_security";
   2950 
   2951         /**
   2952          * AP passphrase
   2953          *
   2954          * @hide
   2955          */
   2956         public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
   2957 
   2958         /**
   2959          * The acceptable packet loss percentage (range 0 - 100) before trying
   2960          * another AP on the same network.
   2961          */
   2962         @Deprecated
   2963         public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
   2964                 "wifi_watchdog_acceptable_packet_loss_percentage";
   2965 
   2966         /**
   2967          * The number of access points required for a network in order for the
   2968          * watchdog to monitor it.
   2969          */
   2970         @Deprecated
   2971         public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
   2972 
   2973         /**
   2974          * The delay between background checks.
   2975          */
   2976         @Deprecated
   2977         public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
   2978                 "wifi_watchdog_background_check_delay_ms";
   2979 
   2980         /**
   2981          * Whether the Wi-Fi watchdog is enabled for background checking even
   2982          * after it thinks the user has connected to a good access point.
   2983          */
   2984         @Deprecated
   2985         public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
   2986                 "wifi_watchdog_background_check_enabled";
   2987 
   2988         /**
   2989          * The timeout for a background ping
   2990          */
   2991         @Deprecated
   2992         public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
   2993                 "wifi_watchdog_background_check_timeout_ms";
   2994 
   2995         /**
   2996          * The number of initial pings to perform that *may* be ignored if they
   2997          * fail. Again, if these fail, they will *not* be used in packet loss
   2998          * calculation. For example, one network always seemed to time out for
   2999          * the first couple pings, so this is set to 3 by default.
   3000          */
   3001         @Deprecated
   3002         public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
   3003             "wifi_watchdog_initial_ignored_ping_count";
   3004 
   3005         /**
   3006          * The maximum number of access points (per network) to attempt to test.
   3007          * If this number is reached, the watchdog will no longer monitor the
   3008          * initial connection state for the network. This is a safeguard for
   3009          * networks containing multiple APs whose DNS does not respond to pings.
   3010          */
   3011         @Deprecated
   3012         public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
   3013 
   3014         /**
   3015          * Whether the Wi-Fi watchdog is enabled.
   3016          */
   3017         public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
   3018 
   3019         /**
   3020          * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
   3021          */
   3022         @Deprecated
   3023         public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
   3024 
   3025         /**
   3026          * The number of pings to test if an access point is a good connection.
   3027          */
   3028         @Deprecated
   3029         public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
   3030 
   3031         /**
   3032          * The delay between pings.
   3033          */
   3034         @Deprecated
   3035         public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
   3036 
   3037         /**
   3038          * The timeout per ping.
   3039          */
   3040         @Deprecated
   3041         public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
   3042 
   3043         /**
   3044          * ms delay before rechecking an 'online' wifi connection when it is thought to be unstable.
   3045          * @hide
   3046          */
   3047         public static final String WIFI_WATCHDOG_DNS_CHECK_SHORT_INTERVAL_MS =
   3048                 "wifi_watchdog_dns_check_short_interval_ms";
   3049 
   3050         /**
   3051          * ms delay before rechecking an 'online' wifi connection when it is thought to be stable.
   3052          * @hide
   3053          */
   3054         public static final String WIFI_WATCHDOG_DNS_CHECK_LONG_INTERVAL_MS =
   3055                 "wifi_watchdog_dns_check_long_interval_ms";
   3056 
   3057         /**
   3058          * ms delay before rechecking a connect SSID for walled garden with a http download.
   3059          * @hide
   3060          */
   3061         public static final String WIFI_WATCHDOG_WALLED_GARDEN_INTERVAL_MS =
   3062                 "wifi_watchdog_walled_garden_interval_ms";
   3063 
   3064         /**
   3065          * max blacklist calls on an SSID before full dns check failures disable the network.
   3066          * @hide
   3067          */
   3068         public static final String WIFI_WATCHDOG_MAX_SSID_BLACKLISTS =
   3069                 "wifi_watchdog_max_ssid_blacklists";
   3070 
   3071         /**
   3072          * Number of dns pings per check.
   3073          * @hide
   3074          */
   3075         public static final String WIFI_WATCHDOG_NUM_DNS_PINGS = "wifi_watchdog_num_dns_pings";
   3076 
   3077         /**
   3078          * Minimum number of responses to the dns pings to consider the test 'successful'.
   3079          * @hide
   3080          */
   3081         public static final String WIFI_WATCHDOG_MIN_DNS_RESPONSES =
   3082                 "wifi_watchdog_min_dns_responses";
   3083 
   3084         /**
   3085          * Timeout on dns pings
   3086          * @hide
   3087          */
   3088         public static final String WIFI_WATCHDOG_DNS_PING_TIMEOUT_MS =
   3089                 "wifi_watchdog_dns_ping_timeout_ms";
   3090 
   3091         /**
   3092          * We consider action from a 'blacklist' call to have finished by the end of
   3093          * this interval.  If we are connected to the same AP with no network connection,
   3094          * we are likely stuck on an SSID with no external connectivity.
   3095          * @hide
   3096          */
   3097         public static final String WIFI_WATCHDOG_BLACKLIST_FOLLOWUP_INTERVAL_MS =
   3098                 "wifi_watchdog_blacklist_followup_interval_ms";
   3099 
   3100         /**
   3101          * Setting to turn off walled garden test on Wi-Fi. Feature is enabled by default and
   3102          * the setting needs to be set to 0 to disable it.
   3103          * @hide
   3104          */
   3105         public static final String WIFI_WATCHDOG_WALLED_GARDEN_TEST_ENABLED =
   3106                 "wifi_watchdog_walled_garden_test_enabled";
   3107 
   3108         /**
   3109          * The URL used for walled garden check upon a new conection. WifiWatchdogService
   3110          * fetches the URL and checks to see if {@link #WIFI_WATCHDOG_WALLED_GARDEN_PATTERN}
   3111          * is not part of the title string to notify the user on the presence of a walled garden.
   3112          * @hide
   3113          */
   3114         public static final String WIFI_WATCHDOG_WALLED_GARDEN_URL =
   3115                 "wifi_watchdog_walled_garden_url";
   3116 
   3117         /**
   3118          * Boolean to determine whether to notify on disabling a network.  Secure setting used
   3119          * to notify user only once.
   3120          * @hide
   3121          */
   3122         public static final String WIFI_WATCHDOG_SHOW_DISABLED_NETWORK_POPUP =
   3123                 "wifi_watchdog_show_disabled_network_popup";
   3124 
   3125         /**
   3126          * The maximum number of times we will retry a connection to an access
   3127          * point for which we have failed in acquiring an IP address from DHCP.
   3128          * A value of N means that we will make N+1 connection attempts in all.
   3129          */
   3130         public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
   3131 
   3132         /**
   3133          * The operational wifi frequency band
   3134          * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
   3135          * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
   3136          * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
   3137          *
   3138          * @hide
   3139          */
   3140         public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
   3141 
   3142         /**
   3143          * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
   3144          * data connectivity to be established after a disconnect from Wi-Fi.
   3145          */
   3146         public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
   3147             "wifi_mobile_data_transition_wakelock_timeout_ms";
   3148 
   3149         /**
   3150          * Whether background data usage is allowed by the user. See
   3151          * ConnectivityManager for more info.
   3152          */
   3153         @Deprecated
   3154         public static final String BACKGROUND_DATA = "background_data";
   3155 
   3156         /**
   3157          * Origins for which browsers should allow geolocation by default.
   3158          * The value is a space-separated list of origins.
   3159          */
   3160         public static final String ALLOWED_GEOLOCATION_ORIGINS
   3161                 = "allowed_geolocation_origins";
   3162 
   3163         /**
   3164          * Whether mobile data connections are allowed by the user.  See
   3165          * ConnectivityManager for more info.
   3166          * @hide
   3167          */
   3168         public static final String MOBILE_DATA = "mobile_data";
   3169 
   3170         /**
   3171          * The CDMA roaming mode 0 = Home Networks, CDMA default
   3172          *                       1 = Roaming on Affiliated networks
   3173          *                       2 = Roaming on any networks
   3174          * @hide
   3175          */
   3176         public static final String CDMA_ROAMING_MODE = "roaming_settings";
   3177 
   3178         /**
   3179          * The CDMA subscription mode 0 = RUIM/SIM (default)
   3180          *                                1 = NV
   3181          * @hide
   3182          */
   3183         public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
   3184 
   3185         /**
   3186          * The preferred network mode   7 = Global
   3187          *                              6 = EvDo only
   3188          *                              5 = CDMA w/o EvDo
   3189          *                              4 = CDMA / EvDo auto
   3190          *                              3 = GSM / WCDMA auto
   3191          *                              2 = WCDMA only
   3192          *                              1 = GSM only
   3193          *                              0 = GSM / WCDMA preferred
   3194          * @hide
   3195          */
   3196         public static final String PREFERRED_NETWORK_MODE =
   3197                 "preferred_network_mode";
   3198 
   3199         /**
   3200          * The preferred TTY mode     0 = TTy Off, CDMA default
   3201          *                            1 = TTY Full
   3202          *                            2 = TTY HCO
   3203          *                            3 = TTY VCO
   3204          * @hide
   3205          */
   3206         public static final String PREFERRED_TTY_MODE =
   3207                 "preferred_tty_mode";
   3208 
   3209 
   3210         /**
   3211          * CDMA Cell Broadcast SMS
   3212          *                            0 = CDMA Cell Broadcast SMS disabled
   3213          *                            1 = CDMA Cell Broadcast SMS enabled
   3214          * @hide
   3215          */
   3216         public static final String CDMA_CELL_BROADCAST_SMS =
   3217                 "cdma_cell_broadcast_sms";
   3218 
   3219         /**
   3220          * The cdma subscription 0 = Subscription from RUIM, when available
   3221          *                       1 = Subscription from NV
   3222          * @hide
   3223          */
   3224         public static final String PREFERRED_CDMA_SUBSCRIPTION =
   3225                 "preferred_cdma_subscription";
   3226 
   3227         /**
   3228          * Whether the enhanced voice privacy mode is enabled.
   3229          * 0 = normal voice privacy
   3230          * 1 = enhanced voice privacy
   3231          * @hide
   3232          */
   3233         public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
   3234 
   3235         /**
   3236          * Whether the TTY mode mode is enabled.
   3237          * 0 = disabled
   3238          * 1 = enabled
   3239          * @hide
   3240          */
   3241         public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
   3242 
   3243         /**
   3244          * The number of milliseconds to delay before sending out Connectivyt Change broadcasts
   3245          * @hide
   3246          */
   3247         public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
   3248 
   3249         /**
   3250          * Default value for CONNECTIVITY_CHANGE_DELAY in milliseconds.
   3251          * @hide
   3252          */
   3253         public static final int CONNECTIVITY_CHANGE_DELAY_DEFAULT = 3000;
   3254 
   3255         /**
   3256          * Controls whether settings backup is enabled.
   3257          * Type: int ( 0 = disabled, 1 = enabled )
   3258          * @hide
   3259          */
   3260         public static final String BACKUP_ENABLED = "backup_enabled";
   3261 
   3262         /**
   3263          * Controls whether application data is automatically restored from backup
   3264          * at install time.
   3265          * Type: int ( 0 = disabled, 1 = enabled )
   3266          * @hide
   3267          */
   3268         public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
   3269 
   3270         /**
   3271          * Indicates whether settings backup has been fully provisioned.
   3272          * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
   3273          * @hide
   3274          */
   3275         public static final String BACKUP_PROVISIONED = "backup_provisioned";
   3276 
   3277         /**
   3278          * Component of the transport to use for backup/restore.
   3279          * @hide
   3280          */
   3281         public static final String BACKUP_TRANSPORT = "backup_transport";
   3282 
   3283         /**
   3284          * Version for which the setup wizard was last shown.  Bumped for
   3285          * each release when there is new setup information to show.
   3286          * @hide
   3287          */
   3288         public static final String LAST_SETUP_SHOWN = "last_setup_shown";
   3289 
   3290         /**
   3291          * How frequently (in seconds) to check the memory status of the
   3292          * device.
   3293          * @hide
   3294          */
   3295         public static final String MEMCHECK_INTERVAL = "memcheck_interval";
   3296 
   3297         /**
   3298          * Max frequency (in seconds) to log memory check stats, in realtime
   3299          * seconds.  This allows for throttling of logs when the device is
   3300          * running for large amounts of time.
   3301          * @hide
   3302          */
   3303         public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
   3304                 "memcheck_log_realtime_interval";
   3305 
   3306         /**
   3307          * Boolean indicating whether rebooting due to system memory checks
   3308          * is enabled.
   3309          * @hide
   3310          */
   3311         public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
   3312 
   3313         /**
   3314          * How many bytes the system process must be below to avoid scheduling
   3315          * a soft reboot.  This reboot will happen when it is next determined
   3316          * to be a good time.
   3317          * @hide
   3318          */
   3319         public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
   3320 
   3321         /**
   3322          * How many bytes the system process must be below to avoid scheduling
   3323          * a hard reboot.  This reboot will happen immediately.
   3324          * @hide
   3325          */
   3326         public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
   3327 
   3328         /**
   3329          * How many bytes the phone process must be below to avoid scheduling
   3330          * a soft restart.  This restart will happen when it is next determined
   3331          * to be a good time.
   3332          * @hide
   3333          */
   3334         public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
   3335 
   3336         /**
   3337          * How many bytes the phone process must be below to avoid scheduling
   3338          * a hard restart.  This restart will happen immediately.
   3339          * @hide
   3340          */
   3341         public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
   3342 
   3343         /**
   3344          * Boolean indicating whether restarting the phone process due to
   3345          * memory checks is enabled.
   3346          * @hide
   3347          */
   3348         public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
   3349 
   3350         /**
   3351          * First time during the day it is okay to kill processes
   3352          * or reboot the device due to low memory situations.  This number is
   3353          * in seconds since midnight.
   3354          * @hide
   3355          */
   3356         public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
   3357 
   3358         /**
   3359          * Last time during the day it is okay to kill processes
   3360          * or reboot the device due to low memory situations.  This number is
   3361          * in seconds since midnight.
   3362          * @hide
   3363          */
   3364         public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
   3365 
   3366         /**
   3367          * How long the screen must have been off in order to kill processes
   3368          * or reboot.  This number is in seconds.  A value of -1 means to
   3369          * entirely disregard whether the screen is on.
   3370          * @hide
   3371          */
   3372         public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
   3373 
   3374         /**
   3375          * How much time there must be until the next alarm in order to kill processes
   3376          * or reboot.  This number is in seconds.  Note: this value must be
   3377          * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
   3378          * always see an alarm scheduled within its time.
   3379          * @hide
   3380          */
   3381         public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
   3382 
   3383         /**
   3384          * How frequently to check whether it is a good time to restart things,
   3385          * if the device is in a bad state.  This number is in seconds.  Note:
   3386          * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
   3387          * the alarm to schedule the recheck will always appear within the
   3388          * minimum "do not execute now" time.
   3389          * @hide
   3390          */
   3391         public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
   3392 
   3393         /**
   3394          * How frequently (in DAYS) to reboot the device.  If 0, no reboots
   3395          * will occur.
   3396          * @hide
   3397          */
   3398         public static final String REBOOT_INTERVAL = "reboot_interval";
   3399 
   3400         /**
   3401          * First time during the day it is okay to force a reboot of the
   3402          * device (if REBOOT_INTERVAL is set).  This number is
   3403          * in seconds since midnight.
   3404          * @hide
   3405          */
   3406         public static final String REBOOT_START_TIME = "reboot_start_time";
   3407 
   3408         /**
   3409          * The window of time (in seconds) after each REBOOT_INTERVAL in which
   3410          * a reboot can be executed.  If 0, a reboot will always be executed at
   3411          * exactly the given time.  Otherwise, it will only be executed if
   3412          * the device is idle within the window.
   3413          * @hide
   3414          */
   3415         public static final String REBOOT_WINDOW = "reboot_window";
   3416 
   3417         /**
   3418          * Threshold values for the duration and level of a discharge cycle, under
   3419          * which we log discharge cycle info.
   3420          * @hide
   3421          */
   3422         public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
   3423                 "battery_discharge_duration_threshold";
   3424         /** @hide */
   3425         public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
   3426 
   3427         /**
   3428          * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
   3429          * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
   3430          * will never display the "Report" button.
   3431          * Type: int ( 0 = disallow, 1 = allow )
   3432          * @hide
   3433          */
   3434         public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
   3435 
   3436         /**
   3437          * Nonzero causes Log.wtf() to crash.
   3438          * @hide
   3439          */
   3440         public static final String WTF_IS_FATAL = "wtf_is_fatal";
   3441 
   3442         /**
   3443          * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
   3444          * @hide
   3445          */
   3446         public static final String DROPBOX_AGE_SECONDS =
   3447                 "dropbox_age_seconds";
   3448         /**
   3449          * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
   3450          * @hide
   3451          */
   3452         public static final String DROPBOX_MAX_FILES =
   3453                 "dropbox_max_files";
   3454         /**
   3455          * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
   3456          * @hide
   3457          */
   3458         public static final String DROPBOX_QUOTA_KB =
   3459                 "dropbox_quota_kb";
   3460         /**
   3461          * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
   3462          * @hide
   3463          */
   3464         public static final String DROPBOX_QUOTA_PERCENT =
   3465                 "dropbox_quota_percent";
   3466         /**
   3467          * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
   3468          * @hide
   3469          */
   3470         public static final String DROPBOX_RESERVE_PERCENT =
   3471                 "dropbox_reserve_percent";
   3472         /**
   3473          * Prefix for per-tag dropbox disable/enable settings.
   3474          * @hide
   3475          */
   3476         public static final String DROPBOX_TAG_PREFIX =
   3477                 "dropbox:";
   3478         /**
   3479          * Lines of logcat to include with system crash/ANR/etc. reports,
   3480          * as a prefix of the dropbox tag of the report type.
   3481          * For example, "logcat_for_system_server_anr" controls the lines
   3482          * of logcat captured with system server ANR reports.  0 to disable.
   3483          * @hide
   3484          */
   3485         public static final String ERROR_LOGCAT_PREFIX =
   3486                 "logcat_for_";
   3487 
   3488 
   3489         /**
   3490          * Screen timeout in milliseconds corresponding to the
   3491          * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
   3492          * possible screen timeout behavior.)
   3493          * @hide
   3494          */
   3495         public static final String SHORT_KEYLIGHT_DELAY_MS =
   3496                 "short_keylight_delay_ms";
   3497 
   3498         /**
   3499          * The interval in minutes after which the amount of free storage left on the
   3500          * device is logged to the event log
   3501          * @hide
   3502          */
   3503         public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
   3504                 "sys_free_storage_log_interval";
   3505 
   3506         /**
   3507          * Threshold for the amount of change in disk free space required to report the amount of
   3508          * free space. Used to prevent spamming the logs when the disk free space isn't changing
   3509          * frequently.
   3510          * @hide
   3511          */
   3512         public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
   3513                 "disk_free_change_reporting_threshold";
   3514 
   3515 
   3516         /**
   3517          * Minimum percentage of free storage on the device that is used to determine if
   3518          * the device is running low on storage.  The default is 10.
   3519          * <p>Say this value is set to 10, the device is considered running low on storage
   3520          * if 90% or more of the device storage is filled up.
   3521          * @hide
   3522          */
   3523         public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
   3524                 "sys_storage_threshold_percentage";
   3525 
   3526         /**
   3527          * Maximum byte size of the low storage threshold.  This is to ensure
   3528          * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in
   3529          * an overly large threshold for large storage devices.  Currently this
   3530          * must be less than 2GB.  This default is 500MB.
   3531          * @hide
   3532          */
   3533         public static final String SYS_STORAGE_THRESHOLD_MAX_BYTES =
   3534                 "sys_storage_threshold_max_bytes";
   3535 
   3536         /**
   3537          * Minimum bytes of free storage on the device before the data
   3538          * partition is considered full. By default, 1 MB is reserved
   3539          * to avoid system-wide SQLite disk full exceptions.
   3540          * @hide
   3541          */
   3542         public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
   3543                 "sys_storage_full_threshold_bytes";
   3544 
   3545         /**
   3546          * The interval in milliseconds after which Wi-Fi is considered idle.
   3547          * When idle, it is possible for the device to be switched from Wi-Fi to
   3548          * the mobile data network.
   3549          * @hide
   3550          */
   3551         public static final String WIFI_IDLE_MS = "wifi_idle_ms";
   3552 
   3553         /**
   3554          * The interval in milliseconds to issue wake up scans when wifi needs
   3555          * to connect. This is necessary to connect to an access point when
   3556          * device is on the move and the screen is off.
   3557          * @hide
   3558          */
   3559         public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
   3560                 "wifi_framework_scan_interval_ms";
   3561 
   3562         /**
   3563          * The interval in milliseconds to scan as used by the wifi supplicant
   3564          * @hide
   3565          */
   3566         public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
   3567                 "wifi_supplicant_scan_interval_ms";
   3568 
   3569         /**
   3570          * The interval in milliseconds at which to check packet counts on the
   3571          * mobile data interface when screen is on, to detect possible data
   3572          * connection problems.
   3573          * @hide
   3574          */
   3575         public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
   3576                 "pdp_watchdog_poll_interval_ms";
   3577 
   3578         /**
   3579          * The interval in milliseconds at which to check packet counts on the
   3580          * mobile data interface when screen is off, to detect possible data
   3581          * connection problems.
   3582          * @hide
   3583          */
   3584         public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
   3585                 "pdp_watchdog_long_poll_interval_ms";
   3586 
   3587         /**
   3588          * The interval in milliseconds at which to check packet counts on the
   3589          * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
   3590          * outgoing packets has been reached without incoming packets.
   3591          * @hide
   3592          */
   3593         public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
   3594                 "pdp_watchdog_error_poll_interval_ms";
   3595 
   3596         /**
   3597          * The number of outgoing packets sent without seeing an incoming packet
   3598          * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
   3599          * device is logged to the event log
   3600          * @hide
   3601          */
   3602         public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
   3603                 "pdp_watchdog_trigger_packet_count";
   3604 
   3605         /**
   3606          * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
   3607          * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
   3608          * attempting data connection recovery.
   3609          * @hide
   3610          */
   3611         public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
   3612                 "pdp_watchdog_error_poll_count";
   3613 
   3614         /**
   3615          * The number of failed PDP reset attempts before moving to something more
   3616          * drastic: re-registering to the network.
   3617          * @hide
   3618          */
   3619         public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
   3620                 "pdp_watchdog_max_pdp_reset_fail_count";
   3621 
   3622         /**
   3623          * The interval in milliseconds at which to check gprs registration
   3624          * after the first registration mismatch of gprs and voice service,
   3625          * to detect possible data network registration problems.
   3626          *
   3627          * @hide
   3628          */
   3629         public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
   3630                 "gprs_register_check_period_ms";
   3631 
   3632         /**
   3633          * The length of time in milli-seconds that automatic small adjustments to
   3634          * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
   3635          * @hide
   3636          */
   3637         public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
   3638 
   3639         /**
   3640          * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
   3641          * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
   3642          * exceeded.
   3643          * @hide
   3644          */
   3645         public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
   3646 
   3647         /**
   3648          * The maximum reconnect delay for short network outages or when the network is suspended
   3649          * due to phone use.
   3650          * @hide
   3651          */
   3652         public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
   3653                 "sync_max_retry_delay_in_seconds";
   3654 
   3655         /**
   3656          * The interval in milliseconds at which to check the number of SMS sent
   3657          * out without asking for use permit, to limit the un-authorized SMS
   3658          * usage.
   3659          * @hide
   3660          */
   3661         public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
   3662                 "sms_outgoing_check_interval_ms";
   3663 
   3664         /**
   3665          * The number of outgoing SMS sent without asking for user permit
   3666          * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
   3667          * @hide
   3668          */
   3669         public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
   3670                 "sms_outgoing_check_max_count";
   3671 
   3672         /**
   3673          * The global search provider chosen by the user (if multiple global
   3674          * search providers are installed). This will be the provider returned
   3675          * by {@link SearchManager#getGlobalSearchActivity()} if it's still
   3676          * installed. This setting is stored as a flattened component name as
   3677          * per {@link ComponentName#flattenToString()}.
   3678          *
   3679          * @hide
   3680          */
   3681         public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
   3682                 "search_global_search_activity";
   3683 
   3684         /**
   3685          * The number of promoted sources in GlobalSearch.
   3686          * @hide
   3687          */
   3688         public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
   3689         /**
   3690          * The maximum number of suggestions returned by GlobalSearch.
   3691          * @hide
   3692          */
   3693         public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
   3694         /**
   3695          * The number of suggestions GlobalSearch will ask each non-web search source for.
   3696          * @hide
   3697          */
   3698         public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
   3699         /**
   3700          * The number of suggestions the GlobalSearch will ask the web search source for.
   3701          * @hide
   3702          */
   3703         public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
   3704                 "search_web_results_override_limit";
   3705         /**
   3706          * The number of milliseconds that GlobalSearch will wait for suggestions from
   3707          * promoted sources before continuing with all other sources.
   3708          * @hide
   3709          */
   3710         public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
   3711                 "search_promoted_source_deadline_millis";
   3712         /**
   3713          * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
   3714          * @hide
   3715          */
   3716         public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
   3717         /**
   3718          * The maximum number of milliseconds that GlobalSearch shows the previous results
   3719          * after receiving a new query.
   3720          * @hide
   3721          */
   3722         public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
   3723         /**
   3724          * The maximum age of log data used for shortcuts in GlobalSearch.
   3725          * @hide
   3726          */
   3727         public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
   3728         /**
   3729          * The maximum age of log data used for source ranking in GlobalSearch.
   3730          * @hide
   3731          */
   3732         public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
   3733                 "search_max_source_event_age_millis";
   3734         /**
   3735          * The minimum number of impressions needed to rank a source in GlobalSearch.
   3736          * @hide
   3737          */
   3738         public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
   3739                 "search_min_impressions_for_source_ranking";
   3740         /**
   3741          * The minimum number of clicks needed to rank a source in GlobalSearch.
   3742          * @hide
   3743          */
   3744         public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
   3745                 "search_min_clicks_for_source_ranking";
   3746         /**
   3747          * The maximum number of shortcuts shown by GlobalSearch.
   3748          * @hide
   3749          */
   3750         public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
   3751         /**
   3752          * The size of the core thread pool for suggestion queries in GlobalSearch.
   3753          * @hide
   3754          */
   3755         public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
   3756                 "search_query_thread_core_pool_size";
   3757         /**
   3758          * The maximum size of the thread pool for suggestion queries in GlobalSearch.
   3759          * @hide
   3760          */
   3761         public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
   3762                 "search_query_thread_max_pool_size";
   3763         /**
   3764          * The size of the core thread pool for shortcut refreshing in GlobalSearch.
   3765          * @hide
   3766          */
   3767         public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
   3768                 "search_shortcut_refresh_core_pool_size";
   3769         /**
   3770          * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
   3771          * @hide
   3772          */
   3773         public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
   3774                 "search_shortcut_refresh_max_pool_size";
   3775         /**
   3776          * The maximun time that excess threads in the GlobalSeach thread pools will
   3777          * wait before terminating.
   3778          * @hide
   3779          */
   3780         public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
   3781                 "search_thread_keepalive_seconds";
   3782         /**
   3783          * The maximum number of concurrent suggestion queries to each source.
   3784          * @hide
   3785          */
   3786         public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
   3787                 "search_per_source_concurrent_query_limit";
   3788 
   3789         /**
   3790          * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
   3791          * @hide
   3792          */
   3793         public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
   3794 
   3795         /**
   3796          * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
   3797          * @hide
   3798          */
   3799         public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
   3800 
   3801         /**
   3802          * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
   3803          * @hide
   3804          */
   3805         public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
   3806 
   3807         /**
   3808          * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
   3809          * @hide
   3810          */
   3811         public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
   3812 
   3813         /**
   3814          * If nonzero, ANRs in invisible background processes bring up a dialog.
   3815          * Otherwise, the process will be silently killed.
   3816          * @hide
   3817          */
   3818         public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
   3819 
   3820         /**
   3821          * The {@link ComponentName} string of the service to be used as the voice recognition
   3822          * service.
   3823          *
   3824          * @hide
   3825          */
   3826         public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
   3827 
   3828 
   3829         /**
   3830          * The {@link ComponentName} string of the selected spell checker service which is
   3831          * one of the services managed by the text service manager.
   3832          *
   3833          * @hide
   3834          */
   3835         public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
   3836 
   3837         /**
   3838          * The {@link ComponentName} string of the selected subtype of the selected spell checker
   3839          * service which is one of the services managed by the text service manager.
   3840          *
   3841          * @hide
   3842          */
   3843         public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
   3844                 "selected_spell_checker_subtype";
   3845 
   3846         /**
   3847          * The {@link ComponentName} string whether spell checker is enabled or not.
   3848          *
   3849          * @hide
   3850          */
   3851         public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
   3852 
   3853         /**
   3854          * What happens when the user presses the Power button while in-call
   3855          * and the screen is on.<br/>
   3856          * <b>Values:</b><br/>
   3857          * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
   3858          * 2 - The Power button hangs up the current call.<br/>
   3859          *
   3860          * @hide
   3861          */
   3862         public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
   3863 
   3864         /**
   3865          * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
   3866          * @hide
   3867          */
   3868         public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
   3869 
   3870         /**
   3871          * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
   3872          * @hide
   3873          */
   3874         public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
   3875 
   3876         /**
   3877          * INCALL_POWER_BUTTON_BEHAVIOR default value.
   3878          * @hide
   3879          */
   3880         public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
   3881                 INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
   3882 
   3883         /**
   3884          * The current night mode that has been selected by the user.  Owned
   3885          * and controlled by UiModeManagerService.  Constants are as per
   3886          * UiModeManager.
   3887          * @hide
   3888          */
   3889         public static final String UI_NIGHT_MODE = "ui_night_mode";
   3890 
   3891         /**
   3892          * Let user pick default install location.
   3893          * @hide
   3894          */
   3895         public static final String SET_INSTALL_LOCATION = "set_install_location";
   3896 
   3897         /**
   3898          * Default install location value.
   3899          * 0 = auto, let system decide
   3900          * 1 = internal
   3901          * 2 = sdcard
   3902          * @hide
   3903          */
   3904         public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
   3905 
   3906         /**
   3907          * The bandwidth throttle polling freqency in seconds
   3908          * @hide
   3909          */
   3910         public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
   3911 
   3912         /**
   3913          * The bandwidth throttle threshold (long)
   3914          * @hide
   3915          */
   3916         public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
   3917 
   3918         /**
   3919          * The bandwidth throttle value (kbps)
   3920          * @hide
   3921          */
   3922         public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
   3923 
   3924         /**
   3925          * The bandwidth throttle reset calendar day (1-28)
   3926          * @hide
   3927          */
   3928         public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
   3929 
   3930         /**
   3931          * The throttling notifications we should send
   3932          * @hide
   3933          */
   3934         public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
   3935 
   3936         /**
   3937          * Help URI for data throttling policy
   3938          * @hide
   3939          */
   3940         public static final String THROTTLE_HELP_URI = "throttle_help_uri";
   3941 
   3942         /**
   3943          * The length of time in Sec that we allow our notion of NTP time
   3944          * to be cached before we refresh it
   3945          * @hide
   3946          */
   3947         public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
   3948                 "throttle_max_ntp_cache_age_sec";
   3949 
   3950         /**
   3951          * The maximum size, in bytes, of a download that the download manager will transfer over
   3952          * a non-wifi connection.
   3953          * @hide
   3954          */
   3955         public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
   3956                 "download_manager_max_bytes_over_mobile";
   3957 
   3958         /**
   3959          * The recommended maximum size, in bytes, of a download that the download manager should
   3960          * transfer over a non-wifi connection. Over this size, the use will be warned, but will
   3961          * have the option to start the download over the mobile connection anyway.
   3962          * @hide
   3963          */
   3964         public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
   3965                 "download_manager_recommended_max_bytes_over_mobile";
   3966 
   3967         /**
   3968          * ms during which to consume extra events related to Inet connection condition
   3969          * after a transtion to fully-connected
   3970          * @hide
   3971          */
   3972         public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
   3973                 "inet_condition_debounce_up_delay";
   3974 
   3975         /**
   3976          * ms during which to consume extra events related to Inet connection condtion
   3977          * after a transtion to partly-connected
   3978          * @hide
   3979          */
   3980         public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
   3981                 "inet_condition_debounce_down_delay";
   3982 
   3983         /**
   3984          * URL to open browser on to allow user to manage a prepay account
   3985          * @hide
   3986          */
   3987         public static final String SETUP_PREPAID_DATA_SERVICE_URL =
   3988                 "setup_prepaid_data_service_url";
   3989 
   3990         /**
   3991          * URL to attempt a GET on to see if this is a prepay device
   3992          * @hide
   3993          */
   3994         public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
   3995                 "setup_prepaid_detection_target_url";
   3996 
   3997         /**
   3998          * Host to check for a redirect to after an attempt to GET
   3999          * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
   4000          * this is a prepaid device with zero balance.)
   4001          * @hide
   4002          */
   4003         public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
   4004                 "setup_prepaid_detection_redir_host";
   4005 
   4006         /**
   4007          * The user's preferred "dream" (interactive screensaver) component.
   4008          *
   4009          * This component will be launched by the PhoneWindowManager after the user's chosen idle
   4010          * timeout (specified by {@link #DREAM_TIMEOUT}).
   4011          * @hide
   4012          */
   4013         public static final String DREAM_COMPONENT =
   4014                 "dream_component";
   4015 
   4016         /**
   4017          * The delay before a "dream" is started (set to 0 to disable).
   4018          * @hide
   4019          */
   4020         public static final String DREAM_TIMEOUT =
   4021                 "dream_timeout";
   4022 
   4023         /** {@hide} */
   4024         public static final String NETSTATS_ENABLED = "netstats_enabled";
   4025         /** {@hide} */
   4026         public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
   4027         /** {@hide} */
   4028         public static final String NETSTATS_PERSIST_THRESHOLD = "netstats_persist_threshold";
   4029         /** {@hide} */
   4030         public static final String NETSTATS_NETWORK_BUCKET_DURATION = "netstats_network_bucket_duration";
   4031         /** {@hide} */
   4032         public static final String NETSTATS_NETWORK_MAX_HISTORY = "netstats_network_max_history";
   4033         /** {@hide} */
   4034         public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
   4035         /** {@hide} */
   4036         public static final String NETSTATS_UID_MAX_HISTORY = "netstats_uid_max_history";
   4037         /** {@hide} */
   4038         public static final String NETSTATS_TAG_MAX_HISTORY = "netstats_tag_max_history";
   4039 
   4040         /** Preferred NTP server. {@hide} */
   4041         public static final String NTP_SERVER = "ntp_server";
   4042         /** Timeout in milliseconds to wait for NTP server. {@hide} */
   4043         public static final String NTP_TIMEOUT = "ntp_timeout";
   4044 
   4045         /** Autofill server address (Used in WebView/browser). {@hide} */
   4046         public static final String WEB_AUTOFILL_QUERY_URL =
   4047             "web_autofill_query_url";
   4048 
   4049         /** Whether package verification is enabled. {@hide} */
   4050         public static final String PACKAGE_VERIFIER_ENABLE = "verifier_enable";
   4051 
   4052         /** Timeout for package verification. {@hide} */
   4053         public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
   4054 
   4055         /**
   4056          * Duration in milliseconds before pre-authorized URIs for the contacts
   4057          * provider should expire.
   4058          * @hide
   4059          */
   4060         public static final String CONTACTS_PREAUTH_URI_EXPIRATION =
   4061                 "contacts_preauth_uri_expiration";
   4062 
   4063         /**
   4064          * This are the settings to be backed up.
   4065          *
   4066          * NOTE: Settings are backed up and restored in the order they appear
   4067          *       in this array. If you have one setting depending on another,
   4068          *       make sure that they are ordered appropriately.
   4069          *
   4070          * @hide
   4071          */
   4072         public static final String[] SETTINGS_TO_BACKUP = {
   4073             ADB_ENABLED,
   4074             ALLOW_MOCK_LOCATION,
   4075             PARENTAL_CONTROL_ENABLED,
   4076             PARENTAL_CONTROL_REDIRECT_URL,
   4077             USB_MASS_STORAGE_ENABLED,
   4078             ACCESSIBILITY_SCRIPT_INJECTION,
   4079             BACKUP_AUTO_RESTORE,
   4080             ENABLED_ACCESSIBILITY_SERVICES,
   4081             TOUCH_EXPLORATION_ENABLED,
   4082             ACCESSIBILITY_ENABLED,
   4083             TTS_USE_DEFAULTS,
   4084             TTS_DEFAULT_RATE,
   4085             TTS_DEFAULT_PITCH,
   4086             TTS_DEFAULT_SYNTH,
   4087             TTS_DEFAULT_LANG,
   4088             TTS_DEFAULT_COUNTRY,
   4089             TTS_ENABLED_PLUGINS,
   4090             TTS_DEFAULT_LOCALE,
   4091             WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
   4092             WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
   4093             WIFI_NUM_OPEN_NETWORKS_KEPT,
   4094             MOUNT_PLAY_NOTIFICATION_SND,
   4095             MOUNT_UMS_AUTOSTART,
   4096             MOUNT_UMS_PROMPT,
   4097             MOUNT_UMS_NOTIFY_ENABLED,
   4098             UI_NIGHT_MODE,
   4099             LOCK_SCREEN_OWNER_INFO,
   4100             LOCK_SCREEN_OWNER_INFO_ENABLED
   4101         };
   4102 
   4103         /**
   4104          * Helper method for determining if a location provider is enabled.
   4105          * @param cr the content resolver to use
   4106          * @param provider the location provider to query
   4107          * @return true if the provider is enabled
   4108          */
   4109         public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
   4110             String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
   4111             return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
   4112         }
   4113 
   4114         /**
   4115          * Thread-safe method for enabling or disabling a single location provider.
   4116          * @param cr the content resolver to use
   4117          * @param provider the location provider to enable or disable
   4118          * @param enabled true if the provider should be enabled
   4119          */
   4120         public static final void setLocationProviderEnabled(ContentResolver cr,
   4121                 String provider, boolean enabled) {
   4122             // to ensure thread safety, we write the provider name with a '+' or '-'
   4123             // and let the SettingsProvider handle it rather than reading and modifying
   4124             // the list of enabled providers.
   4125             if (enabled) {
   4126                 provider = "+" + provider;
   4127             } else {
   4128                 provider = "-" + provider;
   4129             }
   4130             putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
   4131         }
   4132     }
   4133 
   4134     /**
   4135      * User-defined bookmarks and shortcuts.  The target of each bookmark is an
   4136      * Intent URL, allowing it to be either a web page or a particular
   4137      * application activity.
   4138      *
   4139      * @hide
   4140      */
   4141     public static final class Bookmarks implements BaseColumns
   4142     {
   4143         private static final String TAG = "Bookmarks";
   4144 
   4145         /**
   4146          * The content:// style URL for this table
   4147          */
   4148         public static final Uri CONTENT_URI =
   4149             Uri.parse("content://" + AUTHORITY + "/bookmarks");
   4150 
   4151         /**
   4152          * The row ID.
   4153          * <p>Type: INTEGER</p>
   4154          */
   4155         public static final String ID = "_id";
   4156 
   4157         /**
   4158          * Descriptive name of the bookmark that can be displayed to the user.
   4159          * If this is empty, the title should be resolved at display time (use
   4160          * {@link #getTitle(Context, Cursor)} any time you want to display the
   4161          * title of a bookmark.)
   4162          * <P>
   4163          * Type: TEXT
   4164          * </P>
   4165          */
   4166         public static final String TITLE = "title";
   4167 
   4168         /**
   4169          * Arbitrary string (displayed to the user) that allows bookmarks to be
   4170          * organized into categories.  There are some special names for
   4171          * standard folders, which all start with '@'.  The label displayed for
   4172          * the folder changes with the locale (via {@link #getLabelForFolder}) but
   4173          * the folder name does not change so you can consistently query for
   4174          * the folder regardless of the current locale.
   4175          *
   4176          * <P>Type: TEXT</P>
   4177          *
   4178          */
   4179         public static final String FOLDER = "folder";
   4180 
   4181         /**
   4182          * The Intent URL of the bookmark, describing what it points to.  This
   4183          * value is given to {@link android.content.Intent#getIntent} to create
   4184          * an Intent that can be launched.
   4185          * <P>Type: TEXT</P>
   4186          */
   4187         public static final String INTENT = "intent";
   4188 
   4189         /**
   4190          * Optional shortcut character associated with this bookmark.
   4191          * <P>Type: INTEGER</P>
   4192          */
   4193         public static final String SHORTCUT = "shortcut";
   4194 
   4195         /**
   4196          * The order in which the bookmark should be displayed
   4197          * <P>Type: INTEGER</P>
   4198          */
   4199         public static final String ORDERING = "ordering";
   4200 
   4201         private static final String[] sIntentProjection = { INTENT };
   4202         private static final String[] sShortcutProjection = { ID, SHORTCUT };
   4203         private static final String sShortcutSelection = SHORTCUT + "=?";
   4204 
   4205         /**
   4206          * Convenience function to retrieve the bookmarked Intent for a
   4207          * particular shortcut key.
   4208          *
   4209          * @param cr The ContentResolver to query.
   4210          * @param shortcut The shortcut key.
   4211          *
   4212          * @return Intent The bookmarked URL, or null if there is no bookmark
   4213          *         matching the given shortcut.
   4214          */
   4215         public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
   4216         {
   4217             Intent intent = null;
   4218 
   4219             Cursor c = cr.query(CONTENT_URI,
   4220                     sIntentProjection, sShortcutSelection,
   4221                     new String[] { String.valueOf((int) shortcut) }, ORDERING);
   4222             // Keep trying until we find a valid shortcut
   4223             try {
   4224                 while (intent == null && c.moveToNext()) {
   4225                     try {
   4226                         String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
   4227                         intent = Intent.parseUri(intentURI, 0);
   4228                     } catch (java.net.URISyntaxException e) {
   4229                         // The stored URL is bad...  ignore it.
   4230                     } catch (IllegalArgumentException e) {
   4231                         // Column not found
   4232                         Log.w(TAG, "Intent column not found", e);
   4233                     }
   4234                 }
   4235             } finally {
   4236                 if (c != null) c.close();
   4237             }
   4238 
   4239             return intent;
   4240         }
   4241 
   4242         /**
   4243          * Add a new bookmark to the system.
   4244          *
   4245          * @param cr The ContentResolver to query.
   4246          * @param intent The desired target of the bookmark.
   4247          * @param title Bookmark title that is shown to the user; null if none
   4248          *            or it should be resolved to the intent's title.
   4249          * @param folder Folder in which to place the bookmark; null if none.
   4250          * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
   4251          *            this is non-zero and there is an existing bookmark entry
   4252          *            with this same shortcut, then that existing shortcut is
   4253          *            cleared (the bookmark is not removed).
   4254          * @return The unique content URL for the new bookmark entry.
   4255          */
   4256         public static Uri add(ContentResolver cr,
   4257                                            Intent intent,
   4258                                            String title,
   4259                                            String folder,
   4260                                            char shortcut,
   4261                                            int ordering)
   4262         {
   4263             // If a shortcut is supplied, and it is already defined for
   4264             // another bookmark, then remove the old definition.
   4265             if (shortcut != 0) {
   4266                 cr.delete(CONTENT_URI, sShortcutSelection,
   4267                         new String[] { String.valueOf((int) shortcut) });
   4268             }
   4269 
   4270             ContentValues values = new ContentValues();
   4271             if (title != null) values.put(TITLE, title);
   4272             if (folder != null) values.put(FOLDER, folder);
   4273             values.put(INTENT, intent.toUri(0));
   4274             if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
   4275             values.put(ORDERING, ordering);
   4276             return cr.insert(CONTENT_URI, values);
   4277         }
   4278 
   4279         /**
   4280          * Return the folder name as it should be displayed to the user.  This
   4281          * takes care of localizing special folders.
   4282          *
   4283          * @param r Resources object for current locale; only need access to
   4284          *          system resources.
   4285          * @param folder The value found in the {@link #FOLDER} column.
   4286          *
   4287          * @return CharSequence The label for this folder that should be shown
   4288          *         to the user.
   4289          */
   4290         public static CharSequence getLabelForFolder(Resources r, String folder) {
   4291             return folder;
   4292         }
   4293 
   4294         /**
   4295          * Return the title as it should be displayed to the user. This takes
   4296          * care of localizing bookmarks that point to activities.
   4297          *
   4298          * @param context A context.
   4299          * @param cursor A cursor pointing to the row whose title should be
   4300          *        returned. The cursor must contain at least the {@link #TITLE}
   4301          *        and {@link #INTENT} columns.
   4302          * @return A title that is localized and can be displayed to the user,
   4303          *         or the empty string if one could not be found.
   4304          */
   4305         public static CharSequence getTitle(Context context, Cursor cursor) {
   4306             int titleColumn = cursor.getColumnIndex(TITLE);
   4307             int intentColumn = cursor.getColumnIndex(INTENT);
   4308             if (titleColumn == -1 || intentColumn == -1) {
   4309                 throw new IllegalArgumentException(
   4310                         "The cursor must contain the TITLE and INTENT columns.");
   4311             }
   4312 
   4313             String title = cursor.getString(titleColumn);
   4314             if (!TextUtils.isEmpty(title)) {
   4315                 return title;
   4316             }
   4317 
   4318             String intentUri = cursor.getString(intentColumn);
   4319             if (TextUtils.isEmpty(intentUri)) {
   4320                 return "";
   4321             }
   4322 
   4323             Intent intent;
   4324             try {
   4325                 intent = Intent.parseUri(intentUri, 0);
   4326             } catch (URISyntaxException e) {
   4327                 return "";
   4328             }
   4329 
   4330             PackageManager packageManager = context.getPackageManager();
   4331             ResolveInfo info = packageManager.resolveActivity(intent, 0);
   4332             return info != null ? info.loadLabel(packageManager) : "";
   4333         }
   4334     }
   4335 
   4336     /**
   4337      * Returns the device ID that we should use when connecting to the mobile gtalk server.
   4338      * This is a string like "android-0x1242", where the hex string is the Android ID obtained
   4339      * from the GoogleLoginService.
   4340      *
   4341      * @param androidId The Android ID for this device.
   4342      * @return The device ID that should be used when connecting to the mobile gtalk server.
   4343      * @hide
   4344      */
   4345     public static String getGTalkDeviceId(long androidId) {
   4346         return "android-" + Long.toHexString(androidId);
   4347     }
   4348 }
   4349