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Settings.java
/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package android.provider;

import com.google.android.collect.Maps;

import org.apache.commons.codec.binary.Base64;

import android.annotation.SdkConstant;
import android.annotation.SdkConstant.SdkConstantType;
import android.content.ComponentName;
import android.content.ContentQueryMap;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.IContentProvider;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.database.Cursor;
import android.database.SQLException;
import android.net.Uri;
import android.os.*;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.util.AndroidException;
import android.util.Config;
import android.util.Log;

import java.net.URISyntaxException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;

/**
* The Settings provider contains global system-level device preferences.
*/
public final class Settings {

// Intent actions for Settings

/**
* Activity Action: Show system settings.
* 
* Input: Nothing.
* 
* Output: nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_SETTINGS = "android.settings.SETTINGS";

/**
* Activity Action: Show settings to allow configuration of APNs.
* 
* Input: Nothing.
* 
* Output: nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of current location
* sources.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_LOCATION_SOURCE_SETTINGS =
"android.settings.LOCATION_SOURCE_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of wireless controls
* such as Wi-Fi, Bluetooth and Mobile networks.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_WIRELESS_SETTINGS =
"android.settings.WIRELESS_SETTINGS";

/**
* Activity Action: Show settings to allow entering/exiting airplane mode.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_AIRPLANE_MODE_SETTINGS =
"android.settings.AIRPLANE_MODE_SETTINGS";

/**
* Activity Action: Show settings for accessibility modules.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_ACCESSIBILITY_SETTINGS =
"android.settings.ACCESSIBILITY_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of security and
* location privacy.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_SECURITY_SETTINGS =
"android.settings.SECURITY_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of privacy options.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_PRIVACY_SETTINGS =
"android.settings.PRIVACY_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of Wi-Fi.

* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.

*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_WIFI_SETTINGS =
"android.settings.WIFI_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of a static IP
* address for Wi-Fi.
* 
* In some cases, a matching Activity may not exist, so ensure you safeguard
* against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_WIFI_IP_SETTINGS =
"android.settings.WIFI_IP_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of Bluetooth.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_BLUETOOTH_SETTINGS =
"android.settings.BLUETOOTH_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of date and time.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_DATE_SETTINGS =
"android.settings.DATE_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of sound and volume.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_SOUND_SETTINGS =
"android.settings.SOUND_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of display.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_DISPLAY_SETTINGS =
"android.settings.DISPLAY_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of locale.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_LOCALE_SETTINGS =
"android.settings.LOCALE_SETTINGS";

/**
* Activity Action: Show settings to configure input methods, in particular
* allowing the user to enable input methods.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_INPUT_METHOD_SETTINGS =
"android.settings.INPUT_METHOD_SETTINGS";

/**
* Activity Action: Show settings to manage the user input dictionary.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_USER_DICTIONARY_SETTINGS =
"android.settings.USER_DICTIONARY_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of application-related settings.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_APPLICATION_SETTINGS =
"android.settings.APPLICATION_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of application
* development-related settings.
* 
* In some cases, a matching Activity may not exist, so ensure you safeguard
* against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
"android.settings.APPLICATION_DEVELOPMENT_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of quick launch shortcuts.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_QUICK_LAUNCH_SETTINGS =
"android.settings.QUICK_LAUNCH_SETTINGS";

/**
* Activity Action: Show settings to manage installed applications.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
"android.settings.MANAGE_APPLICATIONS_SETTINGS";

/**
* Activity Action: Show settings to manage all applications.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
"android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";

/**
* Activity Action: Show screen of details about a particular application.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: The Intent's data URI specifies the application package name
* to be shown, with the "package" scheme. That is "package:com.my.app".
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
"android.settings.APPLICATION_DETAILS_SETTINGS";

/**
* Activity Action: Show settings for system update functionality.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*
* @hide
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
"android.settings.SYSTEM_UPDATE_SETTINGS";

/**
* Activity Action: Show settings to allow configuration of sync settings.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* The account types available to add via the add account button may be restricted by adding an
* {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
* authorities. Only account types which can sync with that content provider will be offered to
* the user.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_SYNC_SETTINGS =
"android.settings.SYNC_SETTINGS";

/**
* Activity Action: Show add account screen for creating a new account.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
* extra to the Intent with one or more syncable content provider's authorities. Only account
* types which can sync with that content provider will be offered to the user.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_ADD_ACCOUNT =
"android.settings.ADD_ACCOUNT_SETTINGS";

/**
* Activity Action: Show settings for selecting the network operator.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
"android.settings.NETWORK_OPERATOR_SETTINGS";

/**
* Activity Action: Show settings for selection of 2G/3G.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_DATA_ROAMING_SETTINGS =
"android.settings.DATA_ROAMING_SETTINGS";

/**
* Activity Action: Show settings for internal storage.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
"android.settings.INTERNAL_STORAGE_SETTINGS";
/**
* Activity Action: Show settings for memory card storage.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing.
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_MEMORY_CARD_SETTINGS =
"android.settings.MEMORY_CARD_SETTINGS";

/**
* Activity Action: Show settings for global search.
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_SEARCH_SETTINGS =
"android.search.action.SEARCH_SETTINGS";

/**
* Activity Action: Show general device information settings (serial
* number, software version, phone number, etc.).
* 
* In some cases, a matching Activity may not exist, so ensure you
* safeguard against this.
* 
* Input: Nothing.
* 
* Output: Nothing
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_DEVICE_INFO_SETTINGS =
"android.settings.DEVICE_INFO_SETTINGS";

// End of Intent actions for Settings

/**
* @hide - Private call() method on SettingsProvider to read from 'system' table.
*/
public static final String CALL_METHOD_GET_SYSTEM = "GET_system";

/**
* @hide - Private call() method on SettingsProvider to read from 'secure' table.
*/
public static final String CALL_METHOD_GET_SECURE = "GET_secure";

/**
* Activity Extra: Limit available options in launched activity based on the given authority.
* 
* This can be passed as an extra field in an Activity Intent with one or more syncable content
* provider's authorities as a String[]. This field is used by some intents to alter the
* behavior of the called activity.
* 
* Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
* on the authority given.
*/
public static final String EXTRA_AUTHORITIES =
"authorities";

private static final String JID_RESOURCE_PREFIX = "android";

public static final String AUTHORITY = "settings";

private static final String TAG = "Settings";
private static final boolean LOCAL_LOGV = Config.LOGV || false;

public static class SettingNotFoundException extends AndroidException {
public SettingNotFoundException(String msg) {
super(msg);
}
}

/**
* Common base for tables of name/value settings.
*/
public static class NameValueTable implements BaseColumns {
public static final String NAME = "name";
public static final String VALUE = "value";

protected static boolean putString(ContentResolver resolver, Uri uri,
String name, String value) {
// The database will take care of replacing duplicates.
try {
ContentValues values = new ContentValues();
values.put(NAME, name);
values.put(VALUE, value);
resolver.insert(uri, values);
return true;
} catch (SQLException e) {
Log.w(TAG, "Can't set key " + name + " in " + uri, e);
return false;
}
}

public static Uri getUriFor(Uri uri, String name) {
return Uri.withAppendedPath(uri, name);
}
}

// Thread-safe.
private static class NameValueCache {
private final String mVersionSystemProperty;
private final Uri mUri;

private static final String[] SELECT_VALUE =
new String[] { Settings.NameValueTable.VALUE };
private static final String NAME_EQ_PLACEHOLDER = "name=?";

// Must synchronize on 'this' to access mValues and mValuesVersion.
private final HashMap<String, String> mValues = new HashMap<String, String>();
private long mValuesVersion = 0;

// Initially null; set lazily and held forever. Synchronized on 'this'.
private IContentProvider mContentProvider = null;

// The method we'll call (or null, to not use) on the provider
// for the fast path of retrieving settings.
private final String mCallCommand;

public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
mVersionSystemProperty = versionSystemProperty;
mUri = uri;
mCallCommand = callCommand;
}

public String getString(ContentResolver cr, String name) {
long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);

synchronized (this) {
if (mValuesVersion != newValuesVersion) {
if (LOCAL_LOGV) {
Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
newValuesVersion + " != cached " + mValuesVersion);
}

mValues.clear();
mValuesVersion = newValuesVersion;
}

if (mValues.containsKey(name)) {
return mValues.get(name); // Could be null, that's OK -- negative caching
}
}

IContentProvider cp = null;
synchronized (this) {
cp = mContentProvider;
if (cp == null) {
cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
}
}

// Try the fast path first, not using query(). If this
// fails (alternate Settings provider that doesn't support
// this interface?) then we fall back to the query/table
// interface.
if (mCallCommand != null) {
try {
Bundle b = cp.call(mCallCommand, name, null);
if (b != null) {
String value = b.getPairValue();
synchronized (this) {
mValues.put(name, value);
}
return value;
}
// If the response Bundle is null, we fall through
// to the query interface below.
} catch (RemoteException e) {
// Not supported by the remote side? Fall through
// to query().
}
}

Cursor c = null;
try {
c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
new String[]{name}, null);
if (c == null) {
Log.w(TAG, "Can't get key " + name + " from " + mUri);
return null;
}

String value = c.moveToNext() ? c.getString(0) : null;
synchronized (this) {
mValues.put(name, value);
}
if (LOCAL_LOGV) {
Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
name + " = " + (value == null ? "(null)" : value));
}
return value;
} catch (RemoteException e) {
Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
return null; // Return null, but don't cache it.
} finally {
if (c != null) c.close();
}
}
}

/**
* System settings, containing miscellaneous system preferences. This
* table holds simple name/value pairs. There are convenience
* functions for accessing individual settings entries.
*/
public static final class System extends NameValueTable {
public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";

// Populated lazily, guarded by class object:
private static NameValueCache sNameValueCache = null;

private static final HashSet<String> MOVED_TO_SECURE;
static {
MOVED_TO_SECURE = new HashSet<String>(30);
MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
MOVED_TO_SECURE.add(Secure.ANDROID_ID);
MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
MOVED_TO_SECURE.add(Secure.LOGGING_ID);
MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
MOVED_TO_SECURE.add(Secure.WIFI_ON);
MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
}

/**
* Look up a name in the database.
* @param resolver to access the database with
* @param name to look up in the table
* @return the corresponding value, or null if not present
*/
public synchronized static String getString(ContentResolver resolver, String name) {
if (MOVED_TO_SECURE.contains(name)) {
Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
+ " to android.provider.Settings.Secure, returning read-only value.");
return Secure.getString(resolver, name);
}
if (sNameValueCache == null) {
sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
CALL_METHOD_GET_SYSTEM);
}
return sNameValueCache.getString(resolver, name);
}

/**
* Store a name/value pair into the database.
* @param resolver to access the database with
* @param name to store
* @param value to associate with the name
* @return true if the value was set, false on database errors
*/
public static boolean putString(ContentResolver resolver, String name, String value) {
if (MOVED_TO_SECURE.contains(name)) {
Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
+ " to android.provider.Settings.Secure, value is unchanged.");
return false;
}
return putString(resolver, CONTENT_URI, name, value);
}

/**
* Construct the content URI for a particular name/value pair,
* useful for monitoring changes with a ContentObserver.
* @param name to look up in the table
* @return the corresponding content URI, or null if not present
*/
public static Uri getUriFor(String name) {
if (MOVED_TO_SECURE.contains(name)) {
Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
+ " to android.provider.Settings.Secure, returning Secure URI.");
return Secure.getUriFor(Secure.CONTENT_URI, name);
}
return getUriFor(CONTENT_URI, name);
}

/**
* Convenience function for retrieving a single system settings value
* as an integer. Note that internally setting values are always
* stored as strings; this function converts the string to an integer
* for you. The default value will be returned if the setting is
* not defined or not an integer.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
* @param def Value to return if the setting is not defined.
*
* @return The setting's current value, or 'def' if it is not defined
* or not a valid integer.
*/
public static int getInt(ContentResolver cr, String name, int def) {
String v = getString(cr, name);
try {
return v != null ? Integer.parseInt(v) : def;
} catch (NumberFormatException e) {
return def;
}
}

/**
* Convenience function for retrieving a single system settings value
* as an integer. Note that internally setting values are always
* stored as strings; this function converts the string to an integer
* for you.
* 
* This version does not take a default value. If the setting has not
* been set, or the string value is not a number,
* it throws {@link SettingNotFoundException}.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
*
* @throws SettingNotFoundException Thrown if a setting by the given
* name can't be found or the setting value is not an integer.
*
* @return The setting's current value.
*/
public static int getInt(ContentResolver cr, String name)
throws SettingNotFoundException {
String v = getString(cr, name);
try {
return Integer.parseInt(v);
} catch (NumberFormatException e) {
throw new SettingNotFoundException(name);
}
}

/**
* Convenience function for updating a single settings value as an
* integer. This will either create a new entry in the table if the
* given name does not exist, or modify the value of the existing row
* with that name. Note that internally setting values are always
* stored as strings, so this function converts the given value to a
* string before storing it.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to modify.
* @param value The new value for the setting.
* @return true if the value was set, false on database errors
*/
public static boolean putInt(ContentResolver cr, String name, int value) {
return putString(cr, name, Integer.toString(value));
}

/**
* Convenience function for retrieving a single system settings value
* as a {@code long}. Note that internally setting values are always
* stored as strings; this function converts the string to a {@code long}
* for you. The default value will be returned if the setting is
* not defined or not a {@code long}.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
* @param def Value to return if the setting is not defined.
*
* @return The setting's current value, or 'def' if it is not defined
* or not a valid {@code long}.
*/
public static long getLong(ContentResolver cr, String name, long def) {
String valString = getString(cr, name);
long value;
try {
value = valString != null ? Long.parseLong(valString) : def;
} catch (NumberFormatException e) {
value = def;
}
return value;
}

/**
* Convenience function for retrieving a single system settings value
* as a {@code long}. Note that internally setting values are always
* stored as strings; this function converts the string to a {@code long}
* for you.
* 
* This version does not take a default value. If the setting has not
* been set, or the string value is not a number,
* it throws {@link SettingNotFoundException}.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
*
* @return The setting's current value.
* @throws SettingNotFoundException Thrown if a setting by the given
* name can't be found or the setting value is not an integer.
*/
public static long getLong(ContentResolver cr, String name)
throws SettingNotFoundException {
String valString = getString(cr, name);
try {
return Long.parseLong(valString);
} catch (NumberFormatException e) {
throw new SettingNotFoundException(name);
}
}

/**
* Convenience function for updating a single settings value as a long
* integer. This will either create a new entry in the table if the
* given name does not exist, or modify the value of the existing row
* with that name. Note that internally setting values are always
* stored as strings, so this function converts the given value to a
* string before storing it.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to modify.
* @param value The new value for the setting.
* @return true if the value was set, false on database errors
*/
public static boolean putLong(ContentResolver cr, String name, long value) {
return putString(cr, name, Long.toString(value));
}

/**
* Convenience function for retrieving a single system settings value
* as a floating point number. Note that internally setting values are
* always stored as strings; this function converts the string to an
* float for you. The default value will be returned if the setting
* is not defined or not a valid float.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
* @param def Value to return if the setting is not defined.
*
* @return The setting's current value, or 'def' if it is not defined
* or not a valid float.
*/
public static float getFloat(ContentResolver cr, String name, float def) {
String v = getString(cr, name);
try {
return v != null ? Float.parseFloat(v) : def;
} catch (NumberFormatException e) {
return def;
}
}

/**
* Convenience function for retrieving a single system settings value
* as a float. Note that internally setting values are always
* stored as strings; this function converts the string to a float
* for you.
* 
* This version does not take a default value. If the setting has not
* been set, or the string value is not a number,
* it throws {@link SettingNotFoundException}.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
*
* @throws SettingNotFoundException Thrown if a setting by the given
* name can't be found or the setting value is not a float.
*
* @return The setting's current value.
*/
public static float getFloat(ContentResolver cr, String name)
throws SettingNotFoundException {
String v = getString(cr, name);
try {
return Float.parseFloat(v);
} catch (NumberFormatException e) {
throw new SettingNotFoundException(name);
}
}

/**
* Convenience function for updating a single settings value as a
* floating point number. This will either create a new entry in the
* table if the given name does not exist, or modify the value of the
* existing row with that name. Note that internally setting values
* are always stored as strings, so this function converts the given
* value to a string before storing it.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to modify.
* @param value The new value for the setting.
* @return true if the value was set, false on database errors
*/
public static boolean putFloat(ContentResolver cr, String name, float value) {
return putString(cr, name, Float.toString(value));
}

/**
* Convenience function to read all of the current
* configuration-related settings into a
* {@link Configuration} object.
*
* @param cr The ContentResolver to access.
* @param outConfig Where to place the configuration settings.
*/
public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
outConfig.fontScale = Settings.System.getFloat(
cr, FONT_SCALE, outConfig.fontScale);
if (outConfig.fontScale < 0) {
outConfig.fontScale = 1;
}
}

/**
* Convenience function to write a batch of configuration-related
* settings from a {@link Configuration} object.
*
* @param cr The ContentResolver to access.
* @param config The settings to write.
* @return true if the values were set, false on database errors
*/
public static boolean putConfiguration(ContentResolver cr, Configuration config) {
return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
}

/** @hide */
public static boolean hasInterestingConfigurationChanges(int changes) {
return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
}

public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
}

public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
}

/**
* The content:// style URL for this table
*/
public static final Uri CONTENT_URI =
Uri.parse("content://" + AUTHORITY + "/system");

/**
* Whether we keep the device on while the device is plugged in.
* Supported values are:
* <ul>
* <li>{@code 0} to never stay on while plugged in</li>
* <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
* <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
* </ul>
* These values can be OR-ed together.
*/
public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";

/**
* What happens when the user presses the end call button if they're not
* on a call. 
* Values: 
* 0 - The end button does nothing. 
* 1 - The end button goes to the home screen. 
* 2 - The end button puts the device to sleep and locks the keyguard. 
* 3 - The end button goes to the home screen. If the user is already on the
* home screen, it puts the device to sleep.
*/
public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";

/**
* END_BUTTON_BEHAVIOR value for "go home".
* @hide
*/
public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;

/**
* END_BUTTON_BEHAVIOR value for "go to sleep".
* @hide
*/
public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;

/**
* END_BUTTON_BEHAVIOR default value.
* @hide
*/
public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;

/**
* Whether Airplane Mode is on.
*/
public static final String AIRPLANE_MODE_ON = "airplane_mode_on";

/**
* Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
*/
public static final String RADIO_BLUETOOTH = "bluetooth";

/**
* Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
*/
public static final String RADIO_WIFI = "wifi";

/**
* Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
*/
public static final String RADIO_CELL = "cell";

/**
* A comma separated list of radios that need to be disabled when airplane mode
* is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
* included in the comma separated list.
*/
public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";

/**
* A comma separated list of radios that should to be disabled when airplane mode
* is on, but can be manually reenabled by the user. For example, if RADIO_WIFI is
* added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
* will be turned off when entering airplane mode, but the user will be able to reenable
* Wifi in the Settings app.
*
* {@hide}
*/
public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";

/**
* The policy for deciding when Wi-Fi should go to sleep (which will in
* turn switch to using the mobile data as an Internet connection).
* 
* Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
* {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
* {@link #WIFI_SLEEP_POLICY_NEVER}.
*/
public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";

/**
* Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
* policy, which is to sleep shortly after the turning off
* according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
*/
public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;

/**
* Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
* the device is on battery, and never go to sleep when the device is
* plugged in.
*/
public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;

/**
* Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
*/
public static final int WIFI_SLEEP_POLICY_NEVER = 2;

/**
* Whether to use static IP and other static network attributes.
* 
* Set to 1 for true and 0 for false.
*/
public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";

/**
* The static IP address.
* 
* Example: "192.168.1.51"
*/
public static final String WIFI_STATIC_IP = "wifi_static_ip";

/**
* If using static IP, the gateway's IP address.
* 
* Example: "192.168.1.1"
*/
public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";

/**
* If using static IP, the net mask.
* 
* Example: "255.255.255.0"
*/
public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";

/**
* If using static IP, the primary DNS's IP address.
* 
* Example: "192.168.1.1"
*/
public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";

/**
* If using static IP, the secondary DNS's IP address.
* 
* Example: "192.168.1.2"
*/
public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";

/**
* The number of radio channels that are allowed in the local
* 802.11 regulatory domain.
* @hide
*/
public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";

/**
* Determines whether remote devices may discover and/or connect to
* this device.
* Type: INT
* 2 -- discoverable and connectable
* 1 -- connectable but not discoverable
* 0 -- neither connectable nor discoverable
*/
public static final String BLUETOOTH_DISCOVERABILITY =
"bluetooth_discoverability";

/**
* Bluetooth discoverability timeout. If this value is nonzero, then
* Bluetooth becomes discoverable for a certain number of seconds,
* after which is becomes simply connectable. The value is in seconds.
*/
public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
"bluetooth_discoverability_timeout";

/**
* @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
* instead
*/
@Deprecated
public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;

/**
* @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
* instead
*/
@Deprecated
public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";

/**
* @deprecated Use
* {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
* instead
*/
@Deprecated
public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
"lock_pattern_tactile_feedback_enabled";

/**
* A formatted string of the next alarm that is set, or the empty string
* if there is no alarm set.
*/
public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";

/**
* Scaling factor for fonts, float.
*/
public static final String FONT_SCALE = "font_scale";

/**
* Name of an application package to be debugged.
*/
public static final String DEBUG_APP = "debug_app";

/**
* If 1, when launching DEBUG_APP it will wait for the debugger before
* starting user code. If 0, it will run normally.
*/
public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";

/**
* Whether or not to dim the screen. 0=no 1=yes
*/
public static final String DIM_SCREEN = "dim_screen";

/**
* The timeout before the screen turns off.
*/
public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";

/**
* If 0, the compatibility mode is off for all applications.
* If 1, older applications run under compatibility mode.
* TODO: remove this settings before code freeze (bug/1907571)
* @hide
*/
public static final String COMPATIBILITY_MODE = "compatibility_mode";

/**
* The screen backlight brightness between 0 and 255.
*/
public static final String SCREEN_BRIGHTNESS = "screen_brightness";

/**
* Control whether to enable automatic brightness mode.
*/
public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";

/**
* SCREEN_BRIGHTNESS_MODE value for manual mode.
*/
public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;

/**
* SCREEN_BRIGHTNESS_MODE value for manual mode.
*/
public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;

/**
* Control whether the process CPU usage meter should be shown.
*/
public static final String SHOW_PROCESSES = "show_processes";

/**
* If 1, the activity manager will aggressively finish activities and
* processes as soon as they are no longer needed. If 0, the normal
* extended lifetime is used.
*/
public static final String ALWAYS_FINISH_ACTIVITIES =
"always_finish_activities";

/**
* Ringer mode. This is used internally, changing this value will not
* change the ringer mode. See AudioManager.
*/
public static final String MODE_RINGER = "mode_ringer";

/**
* Determines which streams are affected by ringer mode changes. The
* stream type's bit should be set to 1 if it should be muted when going
* into an inaudible ringer mode.
*/
public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";

/**
* Determines which streams are affected by mute. The
* stream type's bit should be set to 1 if it should be muted when a mute request
* is received.
*/
public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";

/**
* Whether vibrate is on for different events. This is used internally,
* changing this value will not change the vibrate. See AudioManager.
*/
public static final String VIBRATE_ON = "vibrate_on";

/**
* Ringer volume. This is used internally, changing this value will not
* change the volume. See AudioManager.
*/
public static final String VOLUME_RING = "volume_ring";

/**
* System/notifications volume. This is used internally, changing this
* value will not change the volume. See AudioManager.
*/
public static final String VOLUME_SYSTEM = "volume_system";

/**
* Voice call volume. This is used internally, changing this value will
* not change the volume. See AudioManager.
*/
public static final String VOLUME_VOICE = "volume_voice";

/**
* Music/media/gaming volume. This is used internally, changing this
* value will not change the volume. See AudioManager.
*/
public static final String VOLUME_MUSIC = "volume_music";

/**
* Alarm volume. This is used internally, changing this
* value will not change the volume. See AudioManager.
*/
public static final String VOLUME_ALARM = "volume_alarm";

/**
* Notification volume. This is used internally, changing this
* value will not change the volume. See AudioManager.
*/
public static final String VOLUME_NOTIFICATION = "volume_notification";

/**
* Bluetooth Headset volume. This is used internally, changing this value will
* not change the volume. See AudioManager.
*/
public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";

/**
* Whether the notifications should use the ring volume (value of 1) or
* a separate notification volume (value of 0). In most cases, users
* will have this enabled so the notification and ringer volumes will be
* the same. However, power users can disable this and use the separate
* notification volume control.
* 
* Note: This is a one-off setting that will be removed in the future
* when there is profile support. For this reason, it is kept hidden
* from the public APIs.
*
* @hide
*/
public static final String NOTIFICATIONS_USE_RING_VOLUME =
"notifications_use_ring_volume";

/**
* Whether silent mode should allow vibration feedback. This is used
* internally in AudioService and the Sound settings activity to
* coordinate decoupling of vibrate and silent modes. This setting
* will likely be removed in a future release with support for
* audio/vibe feedback profiles.
*
* @hide
*/
public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";

/**
* The mapping of stream type (integer) to its setting.
*/
public static final String[] VOLUME_SETTINGS = {
VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
};

/**
* Appended to various volume related settings to record the previous
* values before they the settings were affected by a silent/vibrate
* ringer mode change.
*/
public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";

/**
* Persistent store for the system-wide default ringtone URI.
* 
* If you need to play the default ringtone at any given time, it is recommended
* you give {@link #DEFAULT_RINGTONE_URI} to the media player. It will resolve
* to the set default ringtone at the time of playing.
*
* @see #DEFAULT_RINGTONE_URI
*/
public static final String RINGTONE = "ringtone";

/**
* A {@link Uri} that will point to the current default ringtone at any
* given time.
* 
* If the current default ringtone is in the DRM provider and the caller
* does not have permission, the exception will be a
* FileNotFoundException.
*/
public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);

/**
* Persistent store for the system-wide default notification sound.
*
* @see #RINGTONE
* @see #DEFAULT_NOTIFICATION_URI
*/
public static final String NOTIFICATION_SOUND = "notification_sound";

/**
* A {@link Uri} that will point to the current default notification
* sound at any given time.
*
* @see #DEFAULT_RINGTONE_URI
*/
public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);

/**
* Persistent store for the system-wide default alarm alert.
*
* @see #RINGTONE
* @see #DEFAULT_ALARM_ALERT_URI
*/
public static final String ALARM_ALERT = "alarm_alert";

/**
* A {@link Uri} that will point to the current default alarm alert at
* any given time.
*
* @see #DEFAULT_ALARM_ALERT_URI
*/
public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);

/**
* Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
*/
public static final String TEXT_AUTO_REPLACE = "auto_replace";

/**
* Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
*/
public static final String TEXT_AUTO_CAPS = "auto_caps";

/**
* Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
* feature converts two spaces to a "." and space.
*/
public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";

/**
* Setting to showing password characters in text editors. 1 = On, 0 = Off
*/
public static final String TEXT_SHOW_PASSWORD = "show_password";

public static final String SHOW_GTALK_SERVICE_STATUS =
"SHOW_GTALK_SERVICE_STATUS";

/**
* Name of activity to use for wallpaper on the home screen.
*/
public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";

/**
* Value to specify if the user prefers the date, time and time zone
* to be automatically fetched from the network (NITZ). 1=yes, 0=no
*/
public static final String AUTO_TIME = "auto_time";

/**
* Display times as 12 or 24 hours
* 12
* 24
*/
public static final String TIME_12_24 = "time_12_24";

/**
* Date format string
* mm/dd/yyyy
* dd/mm/yyyy
* yyyy/mm/dd
*/
public static final String DATE_FORMAT = "date_format";

/**
* Whether the setup wizard has been run before (on first boot), or if
* it still needs to be run.
*
* nonzero = it has been run in the past
* 0 = it has not been run in the past
*/
public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";

/**
* Scaling factor for normal window animations. Setting to 0 will disable window
* animations.
*/
public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";

/**
* Scaling factor for activity transition animations. Setting to 0 will disable window
* animations.
*/
public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";

/**
* Scaling factor for normal window animations. Setting to 0 will disable window
* animations.
* @hide
*/
public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";

/**
* Control whether the accelerometer will be used to change screen
* orientation. If 0, it will not be used unless explicitly requested
* by the application; if 1, it will be used by default unless explicitly
* disabled by the application.
*/
public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";

/**
* Whether the audible DTMF tones are played by the dialer when dialing. The value is
* boolean (1 or 0).
*/
public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";

/**
* CDMA only settings
* DTMF tone type played by the dialer when dialing.
* 0 = Normal
* 1 = Long
* @hide
*/
public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";

/**
* CDMA only settings
* Emergency Tone 0 = Off
* 1 = Alert
* 2 = Vibrate
* @hide
*/
public static final String EMERGENCY_TONE = "emergency_tone";

/**
* CDMA only settings
* Whether the auto retry is enabled. The value is
* boolean (1 or 0).
* @hide
*/
public static final String CALL_AUTO_RETRY = "call_auto_retry";

/**
* Whether the hearing aid is enabled. The value is
* boolean (1 or 0).
* @hide
*/
public static final String HEARING_AID = "hearing_aid";

/**
* CDMA only settings
* TTY Mode
* 0 = OFF
* 1 = FULL
* 2 = VCO
* 3 = HCO
* @hide
*/
public static final String TTY_MODE = "tty_mode";

/**
* Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
* boolean (1 or 0).
*/
public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";

/**
* Whether the haptic feedback (long presses, ...) are enabled. The value is
* boolean (1 or 0).
*/
public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";

/**
* Whether live web suggestions while the user types into search dialogs are
* enabled. Browsers and other search UIs should respect this, as it allows
* a user to avoid sending partial queries to a search engine, if it poses
* any privacy concern. The value is boolean (1 or 0).
*/
public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";

/**
* Whether the notification LED should repeatedly flash when a notification is
* pending. The value is boolean (1 or 0).
* @hide
*/
public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";

/**
* Show pointer location on screen?
* 0 = no
* 1 = yes
* @hide
*/
public static final String POINTER_LOCATION = "pointer_location";

/**
* Whether to play a sound for low-battery alerts.
* @hide
*/
public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";

/**
* Whether to play a sound for dock events.
* @hide
*/
public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";

/**
* Whether to play sounds when the keyguard is shown and dismissed.
* @hide
*/
public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";

/**
* URI for the low battery sound file.
* @hide
*/
public static final String LOW_BATTERY_SOUND = "low_battery_sound";

/**
* URI for the desk dock "in" event sound.
* @hide
*/
public static final String DESK_DOCK_SOUND = "desk_dock_sound";

/**
* URI for the desk dock "out" event sound.
* @hide
*/
public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";

/**
* URI for the car dock "in" event sound.
* @hide
*/
public static final String CAR_DOCK_SOUND = "car_dock_sound";

/**
* URI for the car dock "out" event sound.
* @hide
*/
public static final String CAR_UNDOCK_SOUND = "car_undock_sound";

/**
* URI for the "device locked" (keyguard shown) sound.
* @hide
*/
public static final String LOCK_SOUND = "lock_sound";

/**
* URI for the "device unlocked" (keyguard dismissed) sound.
* @hide
*/
public static final String UNLOCK_SOUND = "unlock_sound";

/**
* Receive incoming SIP calls?
* 0 = no
* 1 = yes
* @hide
*/
public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";

/**
* Call Preference String.
* "SIP_ALWAYS" : Always use SIP with network access
* "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
* "SIP_ASK_ME_EACH_TIME" : Always ask me each time
* @hide
*/
public static final String SIP_CALL_OPTIONS = "sip_call_options";

/**
* One of the sip call options: Always use SIP with network access.
* @hide
*/
public static final String SIP_ALWAYS = "SIP_ALWAYS";

/**
* One of the sip call options: Only if destination is a SIP address.
* @hide
*/
public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";

/**
* One of the sip call options: Always ask me each time.
* @hide
*/
public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";

/**
* Settings to backup. This is here so that it's in the same place as the settings
* keys and easy to update.
* @hide
*/
public static final String[] SETTINGS_TO_BACKUP = {
STAY_ON_WHILE_PLUGGED_IN,
WIFI_SLEEP_POLICY,
WIFI_USE_STATIC_IP,
WIFI_STATIC_IP,
WIFI_STATIC_GATEWAY,
WIFI_STATIC_NETMASK,
WIFI_STATIC_DNS1,
WIFI_STATIC_DNS2,
BLUETOOTH_DISCOVERABILITY,
BLUETOOTH_DISCOVERABILITY_TIMEOUT,
DIM_SCREEN,
SCREEN_OFF_TIMEOUT,
SCREEN_BRIGHTNESS,
SCREEN_BRIGHTNESS_MODE,
VIBRATE_ON,
NOTIFICATIONS_USE_RING_VOLUME,
MODE_RINGER,
MODE_RINGER_STREAMS_AFFECTED,
MUTE_STREAMS_AFFECTED,
VOLUME_VOICE,
VOLUME_SYSTEM,
VOLUME_RING,
VOLUME_MUSIC,
VOLUME_ALARM,
VOLUME_NOTIFICATION,
VOLUME_BLUETOOTH_SCO,
VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
VIBRATE_IN_SILENT,
TEXT_AUTO_REPLACE,
TEXT_AUTO_CAPS,
TEXT_AUTO_PUNCTUATE,
TEXT_SHOW_PASSWORD,
AUTO_TIME,
TIME_12_24,
DATE_FORMAT,
ACCELEROMETER_ROTATION,
DTMF_TONE_WHEN_DIALING,
DTMF_TONE_TYPE_WHEN_DIALING,
EMERGENCY_TONE,
CALL_AUTO_RETRY,
HEARING_AID,
TTY_MODE,
SOUND_EFFECTS_ENABLED,
HAPTIC_FEEDBACK_ENABLED,
POWER_SOUNDS_ENABLED,
DOCK_SOUNDS_ENABLED,
LOCKSCREEN_SOUNDS_ENABLED,
SHOW_WEB_SUGGESTIONS,
NOTIFICATION_LIGHT_PULSE,
SIP_CALL_OPTIONS,
SIP_RECEIVE_CALLS,
};

// Settings moved to Settings.Secure

/**
* @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
* instead
*/
@Deprecated
public static final String ADB_ENABLED = Secure.ADB_ENABLED;

/**
* @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
*/
@Deprecated
public static final String ANDROID_ID = Secure.ANDROID_ID;

/**
* @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
*/
@Deprecated
public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;

/**
* @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
*/
@Deprecated
public static final String DATA_ROAMING = Secure.DATA_ROAMING;

/**
* @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
*/
@Deprecated
public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;

/**
* @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
*/
@Deprecated
public static final String HTTP_PROXY = Secure.HTTP_PROXY;

/**
* @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
*/
@Deprecated
public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;

/**
* @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
* instead
*/
@Deprecated
public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;

/**
* @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
*/
@Deprecated
public static final String LOGGING_ID = Secure.LOGGING_ID;

/**
* @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
*/
@Deprecated
public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;

/**
* @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
* instead
*/
@Deprecated
public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;

/**
* @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
* instead
*/
@Deprecated
public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;

/**
* @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
* instead
*/
@Deprecated
public static final String PARENTAL_CONTROL_REDIRECT_URL =
Secure.PARENTAL_CONTROL_REDIRECT_URL;

/**
* @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
*/
@Deprecated
public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;

/**
* @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
*/
@Deprecated
public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;

/**
* @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
*/
@Deprecated
public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;

/**
* @deprecated Use
* {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
*/
@Deprecated
public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;

/**
* @deprecated Use
* {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
*/
@Deprecated
public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;

/**
* @deprecated Use
* {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
*/
@Deprecated
public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;

/**
* @deprecated Use
* {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
*/
@Deprecated
public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;

/**
* @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
* instead
*/
@Deprecated
public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;

/**
* @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
*/
@Deprecated
public static final String WIFI_ON = Secure.WIFI_ON;

/**
* @deprecated Use
* {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
* instead
*/
@Deprecated
public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;

/**
* @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
*/
@Deprecated
public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;

/**
* @deprecated Use
* {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
*/
@Deprecated
public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;

/**
* @deprecated Use
* {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
*/
@Deprecated
public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;

/**
* @deprecated Use
* {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
* instead
*/
@Deprecated
public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;

/**
* @deprecated Use
* {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
*/
@Deprecated
public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;

/**
* @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
* instead
*/
@Deprecated
public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;

/**
* @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
*/
@Deprecated
public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;

/**
* @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
*/
@Deprecated
public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;

/**
* @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
* instead
*/
@Deprecated
public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;

/**
* @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
* instead
*/
@Deprecated
public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
}

/**
* Secure system settings, containing system preferences that applications
* can read but are not allowed to write. These are for preferences that
* the user must explicitly modify through the system UI or specialized
* APIs for those values, not modified directly by applications.
*/
public static final class Secure extends NameValueTable {
public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";

// Populated lazily, guarded by class object:
private static NameValueCache sNameValueCache = null;

/**
* Look up a name in the database.
* @param resolver to access the database with
* @param name to look up in the table
* @return the corresponding value, or null if not present
*/
public synchronized static String getString(ContentResolver resolver, String name) {
if (sNameValueCache == null) {
sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
CALL_METHOD_GET_SECURE);
}
return sNameValueCache.getString(resolver, name);
}

/**
* Store a name/value pair into the database.
* @param resolver to access the database with
* @param name to store
* @param value to associate with the name
* @return true if the value was set, false on database errors
*/
public static boolean putString(ContentResolver resolver,
String name, String value) {
return putString(resolver, CONTENT_URI, name, value);
}

/**
* Construct the content URI for a particular name/value pair,
* useful for monitoring changes with a ContentObserver.
* @param name to look up in the table
* @return the corresponding content URI, or null if not present
*/
public static Uri getUriFor(String name) {
return getUriFor(CONTENT_URI, name);
}

/**
* Convenience function for retrieving a single secure settings value
* as an integer. Note that internally setting values are always
* stored as strings; this function converts the string to an integer
* for you. The default value will be returned if the setting is
* not defined or not an integer.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
* @param def Value to return if the setting is not defined.
*
* @return The setting's current value, or 'def' if it is not defined
* or not a valid integer.
*/
public static int getInt(ContentResolver cr, String name, int def) {
String v = getString(cr, name);
try {
return v != null ? Integer.parseInt(v) : def;
} catch (NumberFormatException e) {
return def;
}
}

/**
* Convenience function for retrieving a single secure settings value
* as an integer. Note that internally setting values are always
* stored as strings; this function converts the string to an integer
* for you.
* 
* This version does not take a default value. If the setting has not
* been set, or the string value is not a number,
* it throws {@link SettingNotFoundException}.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
*
* @throws SettingNotFoundException Thrown if a setting by the given
* name can't be found or the setting value is not an integer.
*
* @return The setting's current value.
*/
public static int getInt(ContentResolver cr, String name)
throws SettingNotFoundException {
String v = getString(cr, name);
try {
return Integer.parseInt(v);
} catch (NumberFormatException e) {
throw new SettingNotFoundException(name);
}
}

/**
* Convenience function for updating a single settings value as an
* integer. This will either create a new entry in the table if the
* given name does not exist, or modify the value of the existing row
* with that name. Note that internally setting values are always
* stored as strings, so this function converts the given value to a
* string before storing it.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to modify.
* @param value The new value for the setting.
* @return true if the value was set, false on database errors
*/
public static boolean putInt(ContentResolver cr, String name, int value) {
return putString(cr, name, Integer.toString(value));
}

/**
* Convenience function for retrieving a single secure settings value
* as a {@code long}. Note that internally setting values are always
* stored as strings; this function converts the string to a {@code long}
* for you. The default value will be returned if the setting is
* not defined or not a {@code long}.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
* @param def Value to return if the setting is not defined.
*
* @return The setting's current value, or 'def' if it is not defined
* or not a valid {@code long}.
*/
public static long getLong(ContentResolver cr, String name, long def) {
String valString = getString(cr, name);
long value;
try {
value = valString != null ? Long.parseLong(valString) : def;
} catch (NumberFormatException e) {
value = def;
}
return value;
}

/**
* Convenience function for retrieving a single secure settings value
* as a {@code long}. Note that internally setting values are always
* stored as strings; this function converts the string to a {@code long}
* for you.
* 
* This version does not take a default value. If the setting has not
* been set, or the string value is not a number,
* it throws {@link SettingNotFoundException}.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
*
* @return The setting's current value.
* @throws SettingNotFoundException Thrown if a setting by the given
* name can't be found or the setting value is not an integer.
*/
public static long getLong(ContentResolver cr, String name)
throws SettingNotFoundException {
String valString = getString(cr, name);
try {
return Long.parseLong(valString);
} catch (NumberFormatException e) {
throw new SettingNotFoundException(name);
}
}

/**
* Convenience function for updating a secure settings value as a long
* integer. This will either create a new entry in the table if the
* given name does not exist, or modify the value of the existing row
* with that name. Note that internally setting values are always
* stored as strings, so this function converts the given value to a
* string before storing it.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to modify.
* @param value The new value for the setting.
* @return true if the value was set, false on database errors
*/
public static boolean putLong(ContentResolver cr, String name, long value) {
return putString(cr, name, Long.toString(value));
}

/**
* Convenience function for retrieving a single secure settings value
* as a floating point number. Note that internally setting values are
* always stored as strings; this function converts the string to an
* float for you. The default value will be returned if the setting
* is not defined or not a valid float.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
* @param def Value to return if the setting is not defined.
*
* @return The setting's current value, or 'def' if it is not defined
* or not a valid float.
*/
public static float getFloat(ContentResolver cr, String name, float def) {
String v = getString(cr, name);
try {
return v != null ? Float.parseFloat(v) : def;
} catch (NumberFormatException e) {
return def;
}
}

/**
* Convenience function for retrieving a single secure settings value
* as a float. Note that internally setting values are always
* stored as strings; this function converts the string to a float
* for you.
* 
* This version does not take a default value. If the setting has not
* been set, or the string value is not a number,
* it throws {@link SettingNotFoundException}.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to retrieve.
*
* @throws SettingNotFoundException Thrown if a setting by the given
* name can't be found or the setting value is not a float.
*
* @return The setting's current value.
*/
public static float getFloat(ContentResolver cr, String name)
throws SettingNotFoundException {
String v = getString(cr, name);
try {
return Float.parseFloat(v);
} catch (NumberFormatException e) {
throw new SettingNotFoundException(name);
}
}

/**
* Convenience function for updating a single settings value as a
* floating point number. This will either create a new entry in the
* table if the given name does not exist, or modify the value of the
* existing row with that name. Note that internally setting values
* are always stored as strings, so this function converts the given
* value to a string before storing it.
*
* @param cr The ContentResolver to access.
* @param name The name of the setting to modify.
* @param value The new value for the setting.
* @return true if the value was set, false on database errors
*/
public static boolean putFloat(ContentResolver cr, String name, float value) {
return putString(cr, name, Float.toString(value));
}

/**
* The content:// style URL for this table
*/
public static final Uri CONTENT_URI =
Uri.parse("content://" + AUTHORITY + "/secure");

/**
* Whether ADB is enabled.
*/
public static final String ADB_ENABLED = "adb_enabled";

/**
* Setting to allow mock locations and location provider status to be injected into the
* LocationManager service for testing purposes during application development. These
* locations and status values override actual location and status information generated
* by network, gps, or other location providers.
*/
public static final String ALLOW_MOCK_LOCATION = "mock_location";

/**
* A 64-bit number (as a hex string) that is randomly
* generated on the device's first boot and should remain
* constant for the lifetime of the device. (The value may
* change if a factory reset is performed on the device.)
*/
public static final String ANDROID_ID = "android_id";

/**
* Whether bluetooth is enabled/disabled
* 0=disabled. 1=enabled.
*/
public static final String BLUETOOTH_ON = "bluetooth_on";

/**
* Get the key that retrieves a bluetooth headset's priority.
* @hide
*/
public static final String getBluetoothHeadsetPriorityKey(String address) {
return ("bluetooth_headset_priority_" + address.toUpperCase());
}

/**
* Get the key that retrieves a bluetooth a2dp sink's priority.
* @hide
*/
public static final String getBluetoothA2dpSinkPriorityKey(String address) {
return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
}

/**
* Whether or not data roaming is enabled. (0 = false, 1 = true)
*/
public static final String DATA_ROAMING = "data_roaming";

/**
* Setting to record the input method used by default, holding the ID
* of the desired method.
*/
public static final String DEFAULT_INPUT_METHOD = "default_input_method";

/**
* Whether the device has been provisioned (0 = false, 1 = true)
*/
public static final String DEVICE_PROVISIONED = "device_provisioned";

/**
* List of input methods that are currently enabled. This is a string
* containing the IDs of all enabled input methods, each ID separated
* by ':'.
*/
public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";

/**
* List of system input methods that are currently disabled. This is a string
* containing the IDs of all disabled input methods, each ID separated
* by ':'.
* @hide
*/
public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";

/**
* Host name and port for a user-selected proxy.
*/
public static final String HTTP_PROXY = "http_proxy";

/**
* Whether the package installer should allow installation of apps downloaded from
* sources other than the Android Market (vending machine).
*
* 1 = allow installing from other sources
* 0 = only allow installing from the Android Market
*/
public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";

/**
* Comma-separated list of location providers that activities may access.
*/
public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";

/**
* Whether autolock is enabled (0 = false, 1 = true)
*/
public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";

/**
* Whether lock pattern is visible as user enters (0 = false, 1 = true)
*/
public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";

/**
* Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
*/
public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
"lock_pattern_tactile_feedback_enabled";

/**
* Whether assisted GPS should be enabled or not.
* @hide
*/
public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";

/**
* The Logging ID (a unique 64-bit value) as a hex string.
* Used as a pseudonymous identifier for logging.
* @deprecated This identifier is poorly initialized and has
* many collisions. It should not be used.
*/
@Deprecated
public static final String LOGGING_ID = "logging_id";

/**
* User preference for which network(s) should be used. Only the
* connectivity service should touch this.
*/
public static final String NETWORK_PREFERENCE = "network_preference";

/**
* Used to disable Tethering on a device - defaults to true
* @hide
*/
public static final String TETHER_SUPPORTED = "tether_supported";

/**
* Used to require DUN APN on the device or not - defaults to a build config value
* which defaults to false
* @hide
*/
public static final String TETHER_DUN_REQUIRED = "tether_dun_required";

/**
* Used to hold a gservices-provisioned apn value for DUN. If set, or the
* corresponding build config values are set it will override the APN DB
* values.
* Consists of a comma seperated list of strings:
* "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
* note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
* @hide
*/
public static final String TETHER_DUN_APN = "tether_dun_apn";

/**
* No longer supported.
*/
public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";

/**
* No longer supported.
*/
public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";

/**
* No longer supported.
*/
public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";

/**
* Settings classname to launch when Settings is clicked from All
* Applications. Needed because of user testing between the old
* and new Settings apps.
*/
// TODO: 881807
public static final String SETTINGS_CLASSNAME = "settings_classname";

/**
* USB Mass Storage Enabled
*/
public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";

/**
* If this setting is set (to anything), then all references
* to Gmail on the device must change to Google Mail.
*/
public static final String USE_GOOGLE_MAIL = "use_google_mail";

/**
* If accessibility is enabled.
*/
public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";

/**
* List of the enabled accessibility providers.
*/
public static final String ENABLED_ACCESSIBILITY_SERVICES =
"enabled_accessibility_services";

/**
* Setting to always use the default text-to-speech settings regardless
* of the application settings.
* 1 = override application settings,
* 0 = use application settings (if specified).
*/
public static final String TTS_USE_DEFAULTS = "tts_use_defaults";

/**
* Default text-to-speech engine speech rate. 100 = 1x
*/
public static final String TTS_DEFAULT_RATE = "tts_default_rate";

/**
* Default text-to-speech engine pitch. 100 = 1x
*/
public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";

/**
* Default text-to-speech engine.
*/
public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";

/**
* Default text-to-speech language.
*/
public static final String TTS_DEFAULT_LANG = "tts_default_lang";

/**
* Default text-to-speech country.
*/
public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";

/**
* Default text-to-speech locale variant.
*/
public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";

/**
* Space delimited list of plugin packages that are enabled.
*/
public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";

/**
* Whether to notify the user of open networks.
* 
* If not connected and the scan results have an open network, we will
* put this notification up. If we attempt to connect to a network or
* the open network(s) disappear, we remove the notification. When we
* show the notification, we will not show it again for
* {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
*/
public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
"wifi_networks_available_notification_on";

/**
* Delay (in seconds) before repeating the Wi-Fi networks available notification.
* Connecting to a network will reset the timer.
*/
public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
"wifi_networks_available_repeat_delay";

/**
* The number of radio channels that are allowed in the local
* 802.11 regulatory domain.
* @hide
*/
public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";

/**
* When the number of open networks exceeds this number, the
* least-recently-used excess networks will be removed.
*/
public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";

/**
* Whether the Wi-Fi should be on. Only the Wi-Fi service should touch this.
*/
public static final String WIFI_ON = "wifi_on";

/**
* Used to save the Wifi_ON state prior to tethering.
* This state will be checked to restore Wifi after
* the user turns off tethering.
*
* @hide
*/
public static final String WIFI_SAVED_STATE = "wifi_saved_state";

/**
* AP SSID
*
* @hide
*/
public static final String WIFI_AP_SSID = "wifi_ap_ssid";

/**
* AP security
*
* @hide
*/
public static final String WIFI_AP_SECURITY = "wifi_ap_security";

/**
* AP passphrase
*
* @hide
*/
public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";

/**
* The acceptable packet loss percentage (range 0 - 100) before trying
* another AP on the same network.
*/
public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
"wifi_watchdog_acceptable_packet_loss_percentage";

/**
* The number of access points required for a network in order for the
* watchdog to monitor it.
*/
public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";

/**
* The delay between background checks.
*/
public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
"wifi_watchdog_background_check_delay_ms";

/**
* Whether the Wi-Fi watchdog is enabled for background checking even
* after it thinks the user has connected to a good access point.
*/
public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
"wifi_watchdog_background_check_enabled";

/**
* The timeout for a background ping
*/
public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
"wifi_watchdog_background_check_timeout_ms";

/**
* The number of initial pings to perform that *may* be ignored if they
* fail. Again, if these fail, they will *not* be used in packet loss
* calculation. For example, one network always seemed to time out for
* the first couple pings, so this is set to 3 by default.
*/
public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
"wifi_watchdog_initial_ignored_ping_count";

/**
* The maximum number of access points (per network) to attempt to test.
* If this number is reached, the watchdog will no longer monitor the
* initial connection state for the network. This is a safeguard for
* networks containing multiple APs whose DNS does not respond to pings.
*/
public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";

/**
* Whether the Wi-Fi watchdog is enabled.
*/
public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";

/**
* A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
*/
public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";

/**
* The number of pings to test if an access point is a good connection.
*/
public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";

/**
* The delay between pings.
*/
public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";

/**
* The timeout per ping.
*/
public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";

/**
* The maximum number of times we will retry a connection to an access
* point for which we have failed in acquiring an IP address from DHCP.
* A value of N means that we will make N+1 connection attempts in all.
*/
public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";

/**
* Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
* data connectivity to be established after a disconnect from Wi-Fi.
*/
public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
"wifi_mobile_data_transition_wakelock_timeout_ms";

/**
* Whether background data usage is allowed by the user. See
* ConnectivityManager for more info.
*/
public static final String BACKGROUND_DATA = "background_data";

/**
* Origins for which browsers should allow geolocation by default.
* The value is a space-separated list of origins.
*/
public static final String ALLOWED_GEOLOCATION_ORIGINS
= "allowed_geolocation_origins";

/**
* Whether mobile data connections are allowed by the user. See
* ConnectivityManager for more info.
* @hide
*/
public static final String MOBILE_DATA = "mobile_data";

/**
* The CDMA roaming mode 0 = Home Networks, CDMA default
* 1 = Roaming on Affiliated networks
* 2 = Roaming on any networks
* @hide
*/
public static final String CDMA_ROAMING_MODE = "roaming_settings";

/**
* The CDMA subscription mode 0 = RUIM/SIM (default)
* 1 = NV
* @hide
*/
public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";

/**
* The preferred network mode 7 = Global
* 6 = EvDo only
* 5 = CDMA w/o EvDo
* 4 = CDMA / EvDo auto
* 3 = GSM / WCDMA auto
* 2 = WCDMA only
* 1 = GSM only
* 0 = GSM / WCDMA preferred
* @hide
*/
public static final String PREFERRED_NETWORK_MODE =
"preferred_network_mode";

/**
* The preferred TTY mode 0 = TTy Off, CDMA default
* 1 = TTY Full
* 2 = TTY HCO
* 3 = TTY VCO
* @hide
*/
public static final String PREFERRED_TTY_MODE =
"preferred_tty_mode";

/**
* CDMA Cell Broadcast SMS
* 0 = CDMA Cell Broadcast SMS disabled
* 1 = CDMA Cell Broadcast SMS enabled
* @hide
*/
public static final String CDMA_CELL_BROADCAST_SMS =
"cdma_cell_broadcast_sms";

/**
* The cdma subscription 0 = Subscription from RUIM, when available
* 1 = Subscription from NV
* @hide
*/
public static final String PREFERRED_CDMA_SUBSCRIPTION =
"preferred_cdma_subscription";

/**
* Whether the enhanced voice privacy mode is enabled.
* 0 = normal voice privacy
* 1 = enhanced voice privacy
* @hide
*/
public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";

/**
* Whether the TTY mode mode is enabled.
* 0 = disabled
* 1 = enabled
* @hide
*/
public static final String TTY_MODE_ENABLED = "tty_mode_enabled";

/**
* Controls whether settings backup is enabled.
* Type: int ( 0 = disabled, 1 = enabled )
* @hide
*/
public static final String BACKUP_ENABLED = "backup_enabled";

/**
* Controls whether application data is automatically restored from backup
* at install time.
* Type: int ( 0 = disabled, 1 = enabled )
* @hide
*/
public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";

/**
* Indicates whether settings backup has been fully provisioned.
* Type: int ( 0 = unprovisioned, 1 = fully provisioned )
* @hide
*/
public static final String BACKUP_PROVISIONED = "backup_provisioned";

/**
* Component of the transport to use for backup/restore.
* @hide
*/
public static final String BACKUP_TRANSPORT = "backup_transport";

/**
* Version for which the setup wizard was last shown. Bumped for
* each release when there is new setup information to show.
* @hide
*/
public static final String LAST_SETUP_SHOWN = "last_setup_shown";

/**
* How frequently (in seconds) to check the memory status of the
* device.
* @hide
*/
public static final String MEMCHECK_INTERVAL = "memcheck_interval";

/**
* Max frequency (in seconds) to log memory check stats, in realtime
* seconds. This allows for throttling of logs when the device is
* running for large amounts of time.
* @hide
*/
public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
"memcheck_log_realtime_interval";

/**
* Boolean indicating whether rebooting due to system memory checks
* is enabled.
* @hide
*/
public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";

/**
* How many bytes the system process must be below to avoid scheduling
* a soft reboot. This reboot will happen when it is next determined
* to be a good time.
* @hide
*/
public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";

/**
* How many bytes the system process must be below to avoid scheduling
* a hard reboot. This reboot will happen immediately.
* @hide
*/
public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";

/**
* How many bytes the phone process must be below to avoid scheduling
* a soft restart. This restart will happen when it is next determined
* to be a good time.
* @hide
*/
public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";

/**
* How many bytes the phone process must be below to avoid scheduling
* a hard restart. This restart will happen immediately.
* @hide
*/
public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";

/**
* Boolean indicating whether restarting the phone process due to
* memory checks is enabled.
* @hide
*/
public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";

/**
* First time during the day it is okay to kill processes
* or reboot the device due to low memory situations. This number is
* in seconds since midnight.
* @hide
*/
public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";

/**
* Last time during the day it is okay to kill processes
* or reboot the device due to low memory situations. This number is
* in seconds since midnight.
* @hide
*/
public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";

/**
* How long the screen must have been off in order to kill processes
* or reboot. This number is in seconds. A value of -1 means to
* entirely disregard whether the screen is on.
* @hide
*/
public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";

/**
* How much time there must be until the next alarm in order to kill processes
* or reboot. This number is in seconds. Note: this value must be
* smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
* always see an alarm scheduled within its time.
* @hide
*/
public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";

/**
* How frequently to check whether it is a good time to restart things,
* if the device is in a bad state. This number is in seconds. Note:
* this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
* the alarm to schedule the recheck will always appear within the
* minimum "do not execute now" time.
* @hide
*/
public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";

/**
* How frequently (in DAYS) to reboot the device. If 0, no reboots
* will occur.
* @hide
*/
public static final String REBOOT_INTERVAL = "reboot_interval";

/**
* First time during the day it is okay to force a reboot of the
* device (if REBOOT_INTERVAL is set). This number is
* in seconds since midnight.
* @hide
*/
public static final String REBOOT_START_TIME = "reboot_start_time";

/**
* The window of time (in seconds) after each REBOOT_INTERVAL in which
* a reboot can be executed. If 0, a reboot will always be executed at
* exactly the given time. Otherwise, it will only be executed if
* the device is idle within the window.
* @hide
*/
public static final String REBOOT_WINDOW = "reboot_window";

/**
* Threshold values for the duration and level of a discharge cycle, under
* which we log discharge cycle info.
* @hide
*/
public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
"battery_discharge_duration_threshold";
/** @hide */
public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";

/**
* Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
* on application crashes and ANRs. If this is disabled, the crash/ANR dialog
* will never display the "Report" button.
* Type: int ( 0 = disallow, 1 = allow )
* @hide
*/
public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";

/**
* Nonzero causes Log.wtf() to crash.
* @hide
*/
public static final String WTF_IS_FATAL = "wtf_is_fatal";

/**
* Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
* @hide
*/
public static final String DROPBOX_AGE_SECONDS =
"dropbox_age_seconds";
/**
* Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
* @hide
*/
public static final String DROPBOX_MAX_FILES =
"dropbox_max_files";
/**
* Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
* @hide
*/
public static final String DROPBOX_QUOTA_KB =
"dropbox_quota_kb";
/**
* Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
* @hide
*/
public static final String DROPBOX_QUOTA_PERCENT =
"dropbox_quota_percent";
/**
* Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
* @hide
*/
public static final String DROPBOX_RESERVE_PERCENT =
"dropbox_reserve_percent";
/**
* Prefix for per-tag dropbox disable/enable settings.
* @hide
*/
public static final String DROPBOX_TAG_PREFIX =
"dropbox:";
/**
* Lines of logcat to include with system crash/ANR/etc. reports,
* as a prefix of the dropbox tag of the report type.
* For example, "logcat_for_system_server_anr" controls the lines
* of logcat captured with system server ANR reports. 0 to disable.
* @hide
*/
public static final String ERROR_LOGCAT_PREFIX =
"logcat_for_";

/**
* Screen timeout in milliseconds corresponding to the
* PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
* possible screen timeout behavior.)
* @hide
*/
public static final String SHORT_KEYLIGHT_DELAY_MS =
"short_keylight_delay_ms";

/**
* The interval in minutes after which the amount of free storage left on the
* device is logged to the event log
* @hide
*/
public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
"sys_free_storage_log_interval";

/**
* Threshold for the amount of change in disk free space required to report the amount of
* free space. Used to prevent spamming the logs when the disk free space isn't changing
* frequently.
* @hide
*/
public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
"disk_free_change_reporting_threshold";

/**
* Minimum percentage of free storage on the device that is used to determine if
* the device is running low on storage.
* Say this value is set to 10, the device is considered running low on storage
* if 90% or more of the device storage is filled up.
* @hide
*/
public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
"sys_storage_threshold_percentage";

/**
* Minimum bytes of free storage on the device before the data
* partition is considered full. By default, 1 MB is reserved
* to avoid system-wide SQLite disk full exceptions.
* @hide
*/
public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
"sys_storage_full_threshold_bytes";

/**
* The interval in milliseconds after which Wi-Fi is considered idle.
* When idle, it is possible for the device to be switched from Wi-Fi to
* the mobile data network.
* @hide
*/
public static final String WIFI_IDLE_MS = "wifi_idle_ms";

/**
* The interval in milliseconds at which to check packet counts on the
* mobile data interface when screen is on, to detect possible data
* connection problems.
* @hide
*/
public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
"pdp_watchdog_poll_interval_ms";

/**
* The interval in milliseconds at which to check packet counts on the
* mobile data interface when screen is off, to detect possible data
* connection problems.
* @hide
*/
public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
"pdp_watchdog_long_poll_interval_ms";

/**
* The interval in milliseconds at which to check packet counts on the
* mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
* outgoing packets has been reached without incoming packets.
* @hide
*/
public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
"pdp_watchdog_error_poll_interval_ms";

/**
* The number of outgoing packets sent without seeing an incoming packet
* that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
* device is logged to the event log
* @hide
*/
public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
"pdp_watchdog_trigger_packet_count";

/**
* The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
* after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
* attempting data connection recovery.
* @hide
*/
public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
"pdp_watchdog_error_poll_count";

/**
* The number of failed PDP reset attempts before moving to something more
* drastic: re-registering to the network.
* @hide
*/
public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
"pdp_watchdog_max_pdp_reset_fail_count";

/**
* Address to ping as a last sanity check before attempting any recovery.
* Unset or set to "0.0.0.0" to skip this check.
* @hide
*/
public static final String PDP_WATCHDOG_PING_ADDRESS = "pdp_watchdog_ping_address";

/**
* The "-w deadline" parameter for the ping, ie, the max time in
* seconds to spend pinging.
* @hide
*/
public static final String PDP_WATCHDOG_PING_DEADLINE = "pdp_watchdog_ping_deadline";

/**
* The interval in milliseconds at which to check gprs registration
* after the first registration mismatch of gprs and voice service,
* to detect possible data network registration problems.
*
* @hide
*/
public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
"gprs_register_check_period_ms";

/**
* The length of time in milli-seconds that automatic small adjustments to
* SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
* @hide
*/
public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";

/**
* If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
* to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
* exceeded.
* @hide
*/
public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";

/**
* The maximum reconnect delay for short network outages or when the network is suspended
* due to phone use.
* @hide
*/
public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
"sync_max_retry_delay_in_seconds";

/**
* The interval in milliseconds at which to check the number of SMS sent
* out without asking for use permit, to limit the un-authorized SMS
* usage.
* @hide
*/
public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
"sms_outgoing_check_interval_ms";

/**
* The number of outgoing SMS sent without asking for user permit
* (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
* @hide
*/
public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
"sms_outgoing_check_max_count";

/**
* The number of promoted sources in GlobalSearch.
* @hide
*/
public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
/**
* The maximum number of suggestions returned by GlobalSearch.
* @hide
*/
public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
/**
* The number of suggestions GlobalSearch will ask each non-web search source for.
* @hide
*/
public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
/**
* The number of suggestions the GlobalSearch will ask the web search source for.
* @hide
*/
public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
"search_web_results_override_limit";
/**
* The number of milliseconds that GlobalSearch will wait for suggestions from
* promoted sources before continuing with all other sources.
* @hide
*/
public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
"search_promoted_source_deadline_millis";
/**
* The number of milliseconds before GlobalSearch aborts search suggesiton queries.
* @hide
*/
public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
/**
* The maximum number of milliseconds that GlobalSearch shows the previous results
* after receiving a new query.
* @hide
*/
public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
/**
* The maximum age of log data used for shortcuts in GlobalSearch.
* @hide
*/
public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
/**
* The maximum age of log data used for source ranking in GlobalSearch.
* @hide
*/
public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
"search_max_source_event_age_millis";
/**
* The minimum number of impressions needed to rank a source in GlobalSearch.
* @hide
*/
public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
"search_min_impressions_for_source_ranking";
/**
* The minimum number of clicks needed to rank a source in GlobalSearch.
* @hide
*/
public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
"search_min_clicks_for_source_ranking";
/**
* The maximum number of shortcuts shown by GlobalSearch.
* @hide
*/
public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
/**
* The size of the core thread pool for suggestion queries in GlobalSearch.
* @hide
*/
public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
"search_query_thread_core_pool_size";
/**
* The maximum size of the thread pool for suggestion queries in GlobalSearch.
* @hide
*/
public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
"search_query_thread_max_pool_size";
/**
* The size of the core thread pool for shortcut refreshing in GlobalSearch.
* @hide
*/
public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
"search_shortcut_refresh_core_pool_size";
/**
* The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
* @hide
*/
public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
"search_shortcut_refresh_max_pool_size";
/**
* The maximun time that excess threads in the GlobalSeach thread pools will
* wait before terminating.
* @hide
*/
public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
"search_thread_keepalive_seconds";
/**
* The maximum number of concurrent suggestion queries to each source.
* @hide
*/
public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
"search_per_source_concurrent_query_limit";

/**
* Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
* @hide
*/
public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";

/**
* Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
* @hide
*/
public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";

/**
* Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
* @hide
*/
public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";

/**
* Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
* @hide
*/
public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";

/**
* If nonzero, ANRs in invisible background processes bring up a dialog.
* Otherwise, the process will be silently killed.
* @hide
*/
public static final String ANR_SHOW_BACKGROUND = "anr_show_background";

/**
* The {@link ComponentName} string of the service to be used as the voice recognition
* service.
*
* @hide
*/
public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";

/**
* What happens when the user presses the Power button while in-call
* and the screen is on. 
* Values: 
* 1 - The Power button turns off the screen and locks the device. (Default behavior) 
* 2 - The Power button hangs up the current call. 
*
* @hide
*/
public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";

/**
* INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
* @hide
*/
public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;

/**
* INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
* @hide
*/
public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;

/**
* INCALL_POWER_BUTTON_BEHAVIOR default value.
* @hide
*/
public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;

/**
* The current night mode that has been selected by the user. Owned
* and controlled by UiModeManagerService. Constants are as per
* UiModeManager.
* @hide
*/
public static final String UI_NIGHT_MODE = "ui_night_mode";

/**
* Let user pick default install location.
* @hide
*/
public static final String SET_INSTALL_LOCATION = "set_install_location";

/**
* Default install location value.
* 0 = auto, let system decide
* 1 = internal
* 2 = sdcard
* @hide
*/
public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";

/**
* The bandwidth throttle polling freqency in seconds
* @hide
*/
public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";

/**
* The bandwidth throttle threshold (long)
* @hide
*/
public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";

/**
* The bandwidth throttle value (kbps)
* @hide
*/
public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";

/**
* The bandwidth throttle reset calendar day (1-28)
* @hide
*/
public static final String THROTTLE_RESET_DAY = "throttle_reset_day";

/**
* The throttling notifications we should send
* @hide
*/
public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";

/**
* Help URI for data throttling policy
* @hide
*/
public static final String THROTTLE_HELP_URI = "throttle_help_uri";

/**
* The length of time in Sec that we allow our notion of NTP time
* to be cached before we refresh it
* @hide
*/
public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
"throttle_max_ntp_cache_age_sec";

/**
* The maximum size, in bytes, of a download that the download manager will transfer over
* a non-wifi connection.
* @hide
*/
public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
"download_manager_max_bytes_over_mobile";

/**
* The recommended maximum size, in bytes, of a download that the download manager should
* transfer over a non-wifi connection. Over this size, the use will be warned, but will
* have the option to start the download over the mobile connection anyway.
* @hide
*/
public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
"download_manager_recommended_max_bytes_over_mobile";

/**
* ms during which to consume extra events related to Inet connection condition
* after a transtion to fully-connected
* @hide
*/
public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
"inet_condition_debounce_up_delay";

/**
* ms during which to consume extra events related to Inet connection condtion
* after a transtion to partly-connected
* @hide
*/
public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
"inet_condition_debounce_down_delay";

/**
* @hide
*/
public static final String[] SETTINGS_TO_BACKUP = {
ADB_ENABLED,
ALLOW_MOCK_LOCATION,
PARENTAL_CONTROL_ENABLED,
PARENTAL_CONTROL_REDIRECT_URL,
USB_MASS_STORAGE_ENABLED,
ACCESSIBILITY_ENABLED,
BACKUP_AUTO_RESTORE,
ENABLED_ACCESSIBILITY_SERVICES,
TTS_USE_DEFAULTS,
TTS_DEFAULT_RATE,
TTS_DEFAULT_PITCH,
TTS_DEFAULT_SYNTH,
TTS_DEFAULT_LANG,
TTS_DEFAULT_COUNTRY,
TTS_ENABLED_PLUGINS,
WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
WIFI_NUM_ALLOWED_CHANNELS,
WIFI_NUM_OPEN_NETWORKS_KEPT,
MOUNT_PLAY_NOTIFICATION_SND,
MOUNT_UMS_AUTOSTART,
MOUNT_UMS_PROMPT,
MOUNT_UMS_NOTIFY_ENABLED,
UI_NIGHT_MODE
};

/**
* Helper method for determining if a location provider is enabled.
* @param cr the content resolver to use
* @param provider the location provider to query
* @return true if the provider is enabled
*/
public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
}

/**
* Thread-safe method for enabling or disabling a single location provider.
* @param cr the content resolver to use
* @param provider the location provider to enable or disable
* @param enabled true if the provider should be enabled
*/
public static final void setLocationProviderEnabled(ContentResolver cr,
String provider, boolean enabled) {
// to ensure thread safety, we write the provider name with a '+' or '-'
// and let the SettingsProvider handle it rather than reading and modifying
// the list of enabled providers.
if (enabled) {
provider = "+" + provider;
} else {
provider = "-" + provider;
}
putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
}
}

/**
* User-defined bookmarks and shortcuts. The target of each bookmark is an
* Intent URL, allowing it to be either a web page or a particular
* application activity.
*
* @hide
*/
public static final class Bookmarks implements BaseColumns
{
private static final String TAG = "Bookmarks";

/**
* The content:// style URL for this table
*/
public static final Uri CONTENT_URI =
Uri.parse("content://" + AUTHORITY + "/bookmarks");

/**
* The row ID.
* Type: INTEGER
*/
public static final String ID = "_id";

/**
* Descriptive name of the bookmark that can be displayed to the user.
* If this is empty, the title should be resolved at display time (use
* {@link #getTitle(Context, Cursor)} any time you want to display the
* title of a bookmark.)
* 
* Type: TEXT
* 
*/
public static final String TITLE = "title";

/**
* Arbitrary string (displayed to the user) that allows bookmarks to be
* organized into categories. There are some special names for
* standard folders, which all start with '@'. The label displayed for
* the folder changes with the locale (via {@link #getLabelForFolder}) but
* the folder name does not change so you can consistently query for
* the folder regardless of the current locale.
*
* Type: TEXT
*
*/
public static final String FOLDER = "folder";

/**
* The Intent URL of the bookmark, describing what it points to. This
* value is given to {@link android.content.Intent#getIntent} to create
* an Intent that can be launched.
* Type: TEXT
*/
public static final String INTENT = "intent";

/**
* Optional shortcut character associated with this bookmark.
* Type: INTEGER
*/
public static final String SHORTCUT = "shortcut";

/**
* The order in which the bookmark should be displayed
* Type: INTEGER
*/
public static final String ORDERING = "ordering";

private static final String[] sIntentProjection = { INTENT };
private static final String[] sShortcutProjection = { ID, SHORTCUT };
private static final String sShortcutSelection = SHORTCUT + "=?";

/**
* Convenience function to retrieve the bookmarked Intent for a
* particular shortcut key.
*
* @param cr The ContentResolver to query.
* @param shortcut The shortcut key.
*
* @return Intent The bookmarked URL, or null if there is no bookmark
* matching the given shortcut.
*/
public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
{
Intent intent = null;

Cursor c = cr.query(CONTENT_URI,
sIntentProjection, sShortcutSelection,
new String[] { String.valueOf((int) shortcut) }, ORDERING);
// Keep trying until we find a valid shortcut
try {
while (intent == null && c.moveToNext()) {
try {
String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
intent = Intent.parseUri(intentURI, 0);
} catch (java.net.URISyntaxException e) {
// The stored URL is bad... ignore it.
} catch (IllegalArgumentException e) {
// Column not found
Log.w(TAG, "Intent column not found", e);
}
}
} finally {
if (c != null) c.close();
}

return intent;
}

/**
* Add a new bookmark to the system.
*
* @param cr The ContentResolver to query.
* @param intent The desired target of the bookmark.
* @param title Bookmark title that is shown to the user; null if none
* or it should be resolved to the intent's title.
* @param folder Folder in which to place the bookmark; null if none.
* @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
* this is non-zero and there is an existing bookmark entry
* with this same shortcut, then that existing shortcut is
* cleared (the bookmark is not removed).
* @return The unique content URL for the new bookmark entry.
*/
public static Uri add(ContentResolver cr,
Intent intent,
String title,
String folder,
char shortcut,
int ordering)
{
// If a shortcut is supplied, and it is already defined for
// another bookmark, then remove the old definition.
if (shortcut != 0) {
Cursor c = cr.query(CONTENT_URI,
sShortcutProjection, sShortcutSelection,
new String[] { String.valueOf((int) shortcut) }, null);
try {
if (c.moveToFirst()) {
while (c.getCount() > 0) {
if (!c.deleteRow()) {
Log.w(TAG, "Could not delete existing shortcut row");
}
}
}
} finally {
if (c != null) c.close();
}
}

ContentValues values = new ContentValues();
if (title != null) values.put(TITLE, title);
if (folder != null) values.put(FOLDER, folder);
values.put(INTENT, intent.toUri(0));
if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
values.put(ORDERING, ordering);
return cr.insert(CONTENT_URI, values);
}

/**
* Return the folder name as it should be displayed to the user. This
* takes care of localizing special folders.
*
* @param r Resources object for current locale; only need access to
* system resources.
* @param folder The value found in the {@link #FOLDER} column.
*
* @return CharSequence The label for this folder that should be shown
* to the user.
*/
public static CharSequence getLabelForFolder(Resources r, String folder) {
return folder;
}

/**
* Return the title as it should be displayed to the user. This takes
* care of localizing bookmarks that point to activities.
*
* @param context A context.
* @param cursor A cursor pointing to the row whose title should be
* returned. The cursor must contain at least the {@link #TITLE}
* and {@link #INTENT} columns.
* @return A title that is localized and can be displayed to the user,
* or the empty string if one could not be found.
*/
public static CharSequence getTitle(Context context, Cursor cursor) {
int titleColumn = cursor.getColumnIndex(TITLE);
int intentColumn = cursor.getColumnIndex(INTENT);
if (titleColumn == -1 || intentColumn == -1) {
throw new IllegalArgumentException(
"The cursor must contain the TITLE and INTENT columns.");
}

String title = cursor.getString(titleColumn);
if (!TextUtils.isEmpty(title)) {
return title;
}

String intentUri = cursor.getString(intentColumn);
if (TextUtils.isEmpty(intentUri)) {
return "";
}

Intent intent;
try {
intent = Intent.parseUri(intentUri, 0);
} catch (URISyntaxException e) {
return "";
}

PackageManager packageManager = context.getPackageManager();
ResolveInfo info = packageManager.resolveActivity(intent, 0);
return info != null ? info.loadLabel(packageManager) : "";
}
}

/**
* Returns the device ID that we should use when connecting to the mobile gtalk server.
* This is a string like "android-0x1242", where the hex string is the Android ID obtained
* from the GoogleLoginService.
*
* @param androidId The Android ID for this device.
* @return The device ID that should be used when connecting to the mobile gtalk server.
* @hide
*/
public static String getGTalkDeviceId(long androidId) {
return "android-" + Long.toHexString(androidId);
}
}

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