Android中的android.provider.Settings.System系统属性设定
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Content Provider中的Setting.System表格内存储了很多系统属性的值,以键值对的形式存在!
可以对如下的变量进行设置
ADB_ENABLED
insteadStringAIRPLANE_MODE_ONWhether Airplane Mode is on.StringAIRPLANE_MODE_RADIOSA comma separated list of radios that need to be disabled when airplane mode is on.StringALARM_ALERTPersistent store for the system-wide default alarm alert.StringALWAYS_FINISH_ACTIVITIESIf 1, the activity manager will aggressively finish activities and processes as soon as they are no longer needed.StringANDROID_IDThis constant is deprecated. Use ANDROID_ID
insteadStringAPPEND_FOR_LAST_AUDIBLEAppended to various volume related settings to record the previous values before they the settings were affected by a silent/vibrate ringer mode change.StringAUTO_TIMEValue to specify if the user prefers the date, time and time zone to be automatically fetched from the network (NITZ).StringAUTO_TIME_ZONEValue to specify if the user prefers the time zone to be automatically fetched from the network (NITZ).StringBLUETOOTH_DISCOVERABILITYDetermines whether remote devices may discover and/or connect to this device.StringBLUETOOTH_DISCOVERABILITY_TIMEOUTBluetooth discoverability timeout.StringBLUETOOTH_ONThis constant is deprecated. Use BLUETOOTH_ON
insteadStringDATA_ROAMINGThis constant is deprecated. Use DATA_ROAMING
insteadStringDATE_FORMATDate format string mm/dd/yyyy dd/mm/yyyy yyyy/mm/ddStringDEBUG_APPName of an application package to be debugged.StringDEVICE_PROVISIONEDThis constant is deprecated. Use DEVICE_PROVISIONED
insteadStringDIM_SCREENWhether or not to dim the screen.StringDTMF_TONE_WHEN_DIALINGWhether the audible DTMF tones are played by the dialer when dialing.StringEND_BUTTON_BEHAVIORWhat happens when the user presses the end call button if they're not on a call.StringFONT_SCALEScaling factor for fonts, float.StringHAPTIC_FEEDBACK_ENABLEDWhether the haptic feedback (long presses, ...) are enabled.StringHTTP_PROXYThis constant is deprecated. Use HTTP_PROXY
insteadStringINSTALL_NON_MARKET_APPSThis constant is deprecated. Use INSTALL_NON_MARKET_APPS
insteadStringLOCATION_PROVIDERS_ALLOWEDThis constant is deprecated. Use LOCATION_PROVIDERS_ALLOWED
insteadStringLOCK_PATTERN_ENABLEDThis constant is deprecated. Use LOCK_PATTERN_ENABLED
insteadStringLOCK_PATTERN_TACTILE_FEEDBACK_ENABLEDThis constant is deprecated. Use LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED
insteadStringLOCK_PATTERN_VISIBLEThis constant is deprecated. Use LOCK_PATTERN_VISIBLE
insteadStringLOGGING_IDThis constant is deprecated. Use LOGGING_ID
insteadStringMODE_RINGERRinger mode.StringMODE_RINGER_STREAMS_AFFECTEDDetermines which streams are affected by ringer mode changes.StringMUTE_STREAMS_AFFECTEDDetermines which streams are affected by mute.StringNETWORK_PREFERENCEThis constant is deprecated. Use NETWORK_PREFERENCE
insteadStringNEXT_ALARM_FORMATTEDA formatted string of the next alarm that is set, or the empty string if there is no alarm set.StringNOTIFICATION_SOUNDPersistent store for the system-wide default notification sound.StringPARENTAL_CONTROL_ENABLEDThis constant is deprecated. Use PARENTAL_CONTROL_ENABLED
insteadStringPARENTAL_CONTROL_LAST_UPDATEThis constant is deprecated. Use PARENTAL_CONTROL_LAST_UPDATE
insteadStringPARENTAL_CONTROL_REDIRECT_URLThis constant is deprecated. Use PARENTAL_CONTROL_REDIRECT_URL
insteadStringRADIO_BLUETOOTHConstant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.StringRADIO_CELLConstant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.StringRADIO_NFCConstant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.StringRADIO_WIFIConstant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.StringRINGTONEPersistent store for the system-wide default ringtone URI.StringSCREEN_BRIGHTNESSThe screen backlight brightness between 0 and 255.StringSCREEN_BRIGHTNESS_MODEControl whether to enable automatic brightness mode.intSCREEN_BRIGHTNESS_MODE_AUTOMATICSCREEN_BRIGHTNESS_MODE value for automatic mode.intSCREEN_BRIGHTNESS_MODE_MANUALSCREEN_BRIGHTNESS_MODE value for manual mode.StringSCREEN_OFF_TIMEOUTThe timeout before the screen turns off.StringSETTINGS_CLASSNAMEThis constant is deprecated. Use SETTINGS_CLASSNAME
insteadStringSETUP_WIZARD_HAS_RUNWhether the setup wizard has been run before (on first boot), or if it still needs to be run.StringSHOW_GTALK_SERVICE_STATUS StringSHOW_PROCESSESControl whether the process CPU usage meter should be shown.StringSHOW_WEB_SUGGESTIONSThis constant is deprecated. Each application that shows web suggestions should have its own setting for this.StringSOUND_EFFECTS_ENABLEDWhether the sounds effects (key clicks, lid open ...) are enabled.StringSTAY_ON_WHILE_PLUGGED_INWhether we keep the device on while the device is plugged in.StringSYS_PROP_SETTING_VERSION StringTEXT_AUTO_CAPSSetting to enable Auto Caps in text editors.StringTEXT_AUTO_PUNCTUATESetting to enable Auto Punctuate in text editors.StringTEXT_AUTO_REPLACESetting to enable Auto Replace (AutoText) in text editors.StringTEXT_SHOW_PASSWORDSetting to showing password characters in text editors.StringTIME_12_24Display times as 12 or 24 hours 12 24StringTRANSITION_ANIMATION_SCALEScaling factor for activity transition animations.StringUSB_MASS_STORAGE_ENABLEDThis constant is deprecated. Use USB_MASS_STORAGE_ENABLED
insteadStringUSER_ROTATIONDefault screen rotation when no other policy applies.StringUSE_GOOGLE_MAILThis constant is deprecated. Use USE_GOOGLE_MAIL
insteadStringVIBRATE_ONWhether vibrate is on for different events.StringVOLUME_ALARMAlarm volume.StringVOLUME_BLUETOOTH_SCOBluetooth Headset volume.StringVOLUME_MUSICMusic/media/gaming volume.StringVOLUME_NOTIFICATIONNotification volume.StringVOLUME_RINGRinger volume.StringVOLUME_SYSTEMSystem/notifications volume.StringVOLUME_VOICEVoice call volume.StringWAIT_FOR_DEBUGGERIf 1, when launching DEBUG_APP it will wait for the debugger before starting user code.StringWALLPAPER_ACTIVITYName of activity to use for wallpaper on the home screen.StringWIFI_MAX_DHCP_RETRY_COUNTThis constant is deprecated. Use WIFI_MAX_DHCP_RETRY_COUNT
insteadStringWIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MSThis constant is deprecated. Use WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS
insteadStringWIFI_NETWORKS_AVAILABLE_NOTIFICATION_ONThis constant is deprecated. Use WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON
insteadStringWIFI_NETWORKS_AVAILABLE_REPEAT_DELAYThis constant is deprecated. Use WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY
insteadStringWIFI_NUM_OPEN_NETWORKS_KEPTThis constant is deprecated. Use WIFI_NUM_OPEN_NETWORKS_KEPT
insteadStringWIFI_ONThis constant is deprecated. Use WIFI_ON
insteadStringWIFI_SLEEP_POLICYThe policy for deciding when Wi-Fi should go to sleep (which will in turn switch to using the mobile data as an Internet connection).intWIFI_SLEEP_POLICY_DEFAULTValue 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.intWIFI_SLEEP_POLICY_NEVERValue for WIFI_SLEEP_POLICY
to never go to sleep.intWIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGEDValue 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.StringWIFI_STATIC_DNS1If using static IP, the primary DNS's IP address.StringWIFI_STATIC_DNS2If using static IP, the secondary DNS's IP address.StringWIFI_STATIC_GATEWAYIf using static IP, the gateway's IP address.StringWIFI_STATIC_IPThe static IP address.StringWIFI_STATIC_NETMASKIf using static IP, the net mask.StringWIFI_USE_STATIC_IPWhether to use static IP and other static network attributes.StringWIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGEThis constant is deprecated. Use WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE
insteadStringWIFI_WATCHDOG_AP_COUNTThis constant is deprecated. Use WIFI_WATCHDOG_AP_COUNT
insteadStringWIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MSThis constant is deprecated. Use WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS
insteadStringWIFI_WATCHDOG_BACKGROUND_CHECK_ENABLEDThis constant is deprecated. Use WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED
insteadStringWIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MSThis constant is deprecated. Use WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS
insteadStringWIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNTThis constant is deprecated. Use WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT
insteadStringWIFI_WATCHDOG_MAX_AP_CHECKSThis constant is deprecated. Use WIFI_WATCHDOG_MAX_AP_CHECKS
insteadStringWIFI_WATCHDOG_ONThis constant is deprecated. Use WIFI_WATCHDOG_ON
insteadStringWIFI_WATCHDOG_PING_COUNTThis constant is deprecated. Use WIFI_WATCHDOG_PING_COUNT
insteadStringWIFI_WATCHDOG_PING_DELAY_MSThis constant is deprecated. Use WIFI_WATCHDOG_PING_DELAY_MS
insteadStringWIFI_WATCHDOG_PING_TIMEOUT_MSThis constant is deprecated. Use WIFI_WATCHDOG_PING_TIMEOUT_MS
insteadStringWINDOW_ANIMATION_SCALEScaling factor for normal window animations.通过如下的函数可以对其进行读写:
Convenience function to read all of the current configuration-related settings into a
Configuration
object.Convenience function for retrieving a single system settings value as a floating point number.
Convenience function for retrieving a single system settings value as a float.
Convenience function for retrieving a single system settings value as an integer.
Convenience function for retrieving a single system settings value as an integer.
Convenience function for retrieving a single system settings value as a
long
.Convenience function for retrieving a single system settings value as a
long
.Look up a name in the database.
Construct the content URI for a particular name/value pair, useful for monitoring changes with a ContentObserver.
Convenience function to write a batch of configuration-related settings from a
Configuration
object.Convenience function for updating a single settings value as a floating point number.
Convenience function for updating a single settings value as an integer.
Convenience function for updating a single settings value as a long integer.
Store a name/value pair into the database.
注意,应用程序中应加入: <uses-permission android:name="android.permission.WRITE_SETTINGS" />
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