Androi系统设置Table

Settings.System

extends Settings.NameValueTable

java.lang.Object
↳	android.provider.Settings.NameValueTable
	↳	android.provider.Settings.System

Class Overview

System settings, containing miscellaneous system preferences. This table holds simple name/value pairs. There are convenience functions for accessing individual settings entries.

Summary

Constants
String	ACCELEROMETER_ROTATION	Control whether the accelerometer will be used to change screen orientation.
String	ADB_ENABLED	This constant is deprecated. Use ADB_ENABLED instead
String	AIRPLANE_MODE_ON	Whether Airplane Mode is on.
String	AIRPLANE_MODE_RADIOS	A comma separated list of radios that need to be disabled when airplane mode is on.
String	ALARM_ALERT	Persistent store for the system-wide default alarm alert.
String	ALWAYS_FINISH_ACTIVITIES	If 1, the activity manager will aggressively finish activities and processes as soon as they are no longer needed.
String	ANDROID_ID	This constant is deprecated. Use ANDROID_ID instead
String	APPEND_FOR_LAST_AUDIBLE	Appended to various volume related settings to record the previous values before they the settings were affected by a silent/vibrate ringer mode change.
String	AUTO_TIME	Value to specify if the user prefers the date, time and time zone to be automatically fetched from the network (NITZ).
String	AUTO_TIME_ZONE	Value to specify if the user prefers the time zone to be automatically fetched from the network (NITZ).
String	BLUETOOTH_DISCOVERABILITY	Determines whether remote devices may discover and/or connect to this device.
String	BLUETOOTH_DISCOVERABILITY_TIMEOUT	Bluetooth discoverability timeout.
String	BLUETOOTH_ON	This constant is deprecated. Use BLUETOOTH_ON instead
String	DATA_ROAMING	This constant is deprecated. Use DATA_ROAMING instead
String	DATE_FORMAT	Date format string mm/dd/yyyy dd/mm/yyyy yyyy/mm/dd
String	DEBUG_APP	Name of an application package to be debugged.
String	DEVICE_PROVISIONED	This constant is deprecated. Use DEVICE_PROVISIONED instead
String	DIM_SCREEN	Whether or not to dim the screen.
String	DTMF_TONE_WHEN_DIALING	Whether the audible DTMF tones are played by the dialer when dialing.
String	END_BUTTON_BEHAVIOR	What happens when the user presses the end call button if they're not on a call.
String	FONT_SCALE	Scaling factor for fonts, float.
String	HAPTIC_FEEDBACK_ENABLED	Whether the haptic feedback (long presses, ...) are enabled.
String	HTTP_PROXY	This constant is deprecated. Use HTTP_PROXY instead
String	INSTALL_NON_MARKET_APPS	This constant is deprecated. Use INSTALL_NON_MARKET_APPS instead
String	LOCATION_PROVIDERS_ALLOWED	This constant is deprecated. Use LOCATION_PROVIDERS_ALLOWED instead
String	LOCK_PATTERN_ENABLED	This constant is deprecated. Use LOCK_PATTERN_ENABLED instead
String	LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED	This constant is deprecated. Use LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED instead
String	LOCK_PATTERN_VISIBLE	This constant is deprecated. Use LOCK_PATTERN_VISIBLE instead
String	LOGGING_ID	This constant is deprecated. Use LOGGING_ID instead
String	MODE_RINGER	Ringer mode.
String	MODE_RINGER_STREAMS_AFFECTED	Determines which streams are affected by ringer mode changes.
String	MUTE_STREAMS_AFFECTED	Determines which streams are affected by mute.
String	NETWORK_PREFERENCE	This constant is deprecated. Use NETWORK_PREFERENCE instead
String	NEXT_ALARM_FORMATTED	A formatted string of the next alarm that is set, or the empty string if there is no alarm set.
String	NOTIFICATION_SOUND	Persistent store for the system-wide default notification sound.
String	PARENTAL_CONTROL_ENABLED	This constant is deprecated. Use PARENTAL_CONTROL_ENABLED instead
String	PARENTAL_CONTROL_LAST_UPDATE	This constant is deprecated. Use PARENTAL_CONTROL_LAST_UPDATE instead
String	PARENTAL_CONTROL_REDIRECT_URL	This constant is deprecated. Use PARENTAL_CONTROL_REDIRECT_URL instead
String	RADIO_BLUETOOTH	Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
String	RADIO_CELL	Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
String	RADIO_NFC	Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
String	RADIO_WIFI	Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
String	RINGTONE	Persistent store for the system-wide default ringtone URI.
String	SCREEN_BRIGHTNESS	The screen backlight brightness between 0 and 255.
String	SCREEN_BRIGHTNESS_MODE	Control whether to enable automatic brightness mode.
int	SCREEN_BRIGHTNESS_MODE_AUTOMATIC	SCREEN_BRIGHTNESS_MODE value for automatic mode.
int	SCREEN_BRIGHTNESS_MODE_MANUAL	SCREEN_BRIGHTNESS_MODE value for manual mode.
String	SCREEN_OFF_TIMEOUT	The timeout before the screen turns off.
String	SETTINGS_CLASSNAME	This constant is deprecated. Use SETTINGS_CLASSNAME instead
String	SETUP_WIZARD_HAS_RUN	Whether the setup wizard has been run before (on first boot), or if it still needs to be run.
String	SHOW_GTALK_SERVICE_STATUS
String	SHOW_PROCESSES	Control whether the process CPU usage meter should be shown.
String	SHOW_WEB_SUGGESTIONS	This constant is deprecated. Each application that shows web suggestions should have its own setting for this.
String	SOUND_EFFECTS_ENABLED	Whether the sounds effects (key clicks, lid open ...) are enabled.
String	STAY_ON_WHILE_PLUGGED_IN	Whether we keep the device on while the device is plugged in.
String	SYS_PROP_SETTING_VERSION
String	TEXT_AUTO_CAPS	Setting to enable Auto Caps in text editors.
String	TEXT_AUTO_PUNCTUATE	Setting to enable Auto Punctuate in text editors.
String	TEXT_AUTO_REPLACE	Setting to enable Auto Replace (AutoText) in text editors.
String	TEXT_SHOW_PASSWORD	Setting to showing password characters in text editors.
String	TIME_12_24	Display times as 12 or 24 hours 12 24
String	TRANSITION_ANIMATION_SCALE	Scaling factor for activity transition animations.
String	USB_MASS_STORAGE_ENABLED	This constant is deprecated. Use USB_MASS_STORAGE_ENABLED instead
String	USER_ROTATION	Default screen rotation when no other policy applies.
String	USE_GOOGLE_MAIL	This constant is deprecated. Use USE_GOOGLE_MAIL instead
String	VIBRATE_ON	Whether vibrate is on for different events.
String	VOLUME_ALARM	Alarm volume.
String	VOLUME_BLUETOOTH_SCO	Bluetooth Headset volume.
String	VOLUME_MUSIC	Music/media/gaming volume.
String	VOLUME_NOTIFICATION	Notification volume.
String	VOLUME_RING	Ringer volume.
String	VOLUME_SYSTEM	System/notifications volume.
String	VOLUME_VOICE	Voice call volume.
String	WAIT_FOR_DEBUGGER	If 1, when launching DEBUG_APP it will wait for the debugger before starting user code.
String	WALLPAPER_ACTIVITY	Name of activity to use for wallpaper on the home screen.
String	WIFI_MAX_DHCP_RETRY_COUNT	This constant is deprecated. Use WIFI_MAX_DHCP_RETRY_COUNT instead
String	WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS	This constant is deprecated. Use WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS instead
String	WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON	This constant is deprecated. Use WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON instead
String	WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY	This constant is deprecated. Use WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY instead
String	WIFI_NUM_OPEN_NETWORKS_KEPT	This constant is deprecated. Use WIFI_NUM_OPEN_NETWORKS_KEPT instead
String	WIFI_ON	This constant is deprecated. Use WIFI_ON instead
String	WIFI_SLEEP_POLICY	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).
int	WIFI_SLEEP_POLICY_DEFAULT	Value for WIFI_SLEEP_POLICY to use the default Wi-Fi sleep policy, which is to sleep shortly after the turning off according to the STAY_ON_WHILE_PLUGGED_IN setting.
int	WIFI_SLEEP_POLICY_NEVER	Value for WIFI_SLEEP_POLICY to never go to sleep.
int	WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED	Value for 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.
String	WIFI_STATIC_DNS1	If using static IP, the primary DNS's IP address.
String	WIFI_STATIC_DNS2	If using static IP, the secondary DNS's IP address.
String	WIFI_STATIC_GATEWAY	If using static IP, the gateway's IP address.
String	WIFI_STATIC_IP	The static IP address.
String	WIFI_STATIC_NETMASK	If using static IP, the net mask.
String	WIFI_USE_STATIC_IP	Whether to use static IP and other static network attributes.
String	WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE	This constant is deprecated. Use WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE instead
String	WIFI_WATCHDOG_AP_COUNT	This constant is deprecated. Use WIFI_WATCHDOG_AP_COUNT instead
String	WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS	This constant is deprecated. Use WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS instead
String	WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED	This constant is deprecated. Use WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED instead
String	WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS	This constant is deprecated. Use WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS instead
String	WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT	This constant is deprecated. Use WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT instead
String	WIFI_WATCHDOG_MAX_AP_CHECKS	This constant is deprecated. Use WIFI_WATCHDOG_MAX_AP_CHECKS instead
String	WIFI_WATCHDOG_ON	This constant is deprecated. Use WIFI_WATCHDOG_ON instead
String	WIFI_WATCHDOG_PING_COUNT	This constant is deprecated. Use WIFI_WATCHDOG_PING_COUNT instead
String	WIFI_WATCHDOG_PING_DELAY_MS	This constant is deprecated. Use WIFI_WATCHDOG_PING_DELAY_MS instead
String	WIFI_WATCHDOG_PING_TIMEOUT_MS	This constant is deprecated. Use WIFI_WATCHDOG_PING_TIMEOUT_MS instead
String	WINDOW_ANIMATION_SCALE	Scaling factor for normal window animations.

[Expand] Inherited Constants
From classandroid.provider.Settings.NameValueTable
From interfaceandroid.provider.BaseColumns

Fields
public static final Uri	CONTENT_URI	The content:// style URL for this table
public static final Uri	DEFAULT_ALARM_ALERT_URI	A Uri that will point to the current default alarm alert at any given time.
public static final Uri	DEFAULT_NOTIFICATION_URI	A Uri that will point to the current default notification sound at any given time.
public static final Uri	DEFAULT_RINGTONE_URI	A Uri that will point to the current default ringtone at any given time.
public static final String[]	VOLUME_SETTINGS	The mapping of stream type (integer) to its setting.

Public Constructors
	Settings.System()

Public Methods
static void	getConfiguration( ContentResolver cr, Configuration outConfig) Convenience function to read all of the current configuration-related settings into a Configuration object.
static float	getFloat( ContentResolver cr, String name, float def) Convenience function for retrieving a single system settings value as a floating point number.
static float	getFloat( ContentResolver cr, String name) Convenience function for retrieving a single system settings value as a float.
static int	getInt( ContentResolver cr, String name) Convenience function for retrieving a single system settings value as an integer.
static int	getInt( ContentResolver cr, String name, int def) Convenience function for retrieving a single system settings value as an integer.
static long	getLong( ContentResolver cr, String name, long def) Convenience function for retrieving a single system settings value as a long.
static long	getLong( ContentResolver cr, String name) Convenience function for retrieving a single system settings value as a long.
static boolean	getShowGTalkServiceStatus( ContentResolver cr)
synchronized static String	getString( ContentResolver resolver, String name) Look up a name in the database.
static Uri	getUriFor( String name) Construct the content URI for a particular name/value pair, useful for monitoring changes with a ContentObserver.
static boolean	putConfiguration( ContentResolver cr, Configuration config) Convenience function to write a batch of configuration-related settings from a Configuration object.
static boolean	putFloat( ContentResolver cr, String name, float value) Convenience function for updating a single settings value as a floating point number.
static boolean	putInt( ContentResolver cr, String name, int value) Convenience function for updating a single settings value as an integer.
static boolean	putLong( ContentResolver cr, String name, long value) Convenience function for updating a single settings value as a long integer.
static boolean	putString( ContentResolver resolver, String name, String value) Store a name/value pair into the database.
static void	setShowGTalkServiceStatus( ContentResolver cr, boolean flag)