settings常量

Constants
String    ACTION_ACCESSIBILITY_SETTINGS
Activity Action: Show settings for accessibility modules.
String    ACTION_ADD_ACCOUNT
Activity Action: Show add account screen for creating a new account.
String    ACTION_AIRPLANE_MODE_SETTINGS
Activity Action: Show settings to allow entering/exiting airplane mode.
String    ACTION_APN_SETTINGS
Activity Action: Show settings to allow configuration of APNs.
String    ACTION_APPLICATION_DETAILS_SETTINGS
Activity Action: Show screen of details about a particular application.
String    ACTION_APPLICATION_DEVELOPMENT_SETTINGS
Activity Action: Show settings to allow configuration of application development-related settings.
String    ACTION_APPLICATION_SETTINGS
Activity Action: Show settings to allow configuration of application-related settings.
String    ACTION_APP_NOTIFICATION_SETTINGS
Activity Action: Show notification settings for a single app.
String    ACTION_BATTERY_SAVER_SETTINGS
Activity Action: Show battery saver settings.
String    ACTION_BLUETOOTH_SETTINGS
Activity Action: Show settings to allow configuration of Bluetooth.
String    ACTION_CAPTIONING_SETTINGS
Activity Action: Show settings for video captioning.
String    ACTION_CAST_SETTINGS
Activity Action: Show settings to allow configuration of cast endpoints.
String    ACTION_CHANNEL_NOTIFICATION_SETTINGS
Activity Action: Show notification settings for a single NotificationChannel.
String    ACTION_DATA_ROAMING_SETTINGS
Activity Action: Show settings for selection of 2G/3G.
String    ACTION_DATE_SETTINGS
Activity Action: Show settings to allow configuration of date and time.
String    ACTION_DEVICE_INFO_SETTINGS
Activity Action: Show general device information settings (serial number, software version, phone number, etc.).
String    ACTION_DISPLAY_SETTINGS
Activity Action: Show settings to allow configuration of display.
String    ACTION_DREAM_SETTINGS
Activity Action: Show Daydream settings.
String    ACTION_HARD_KEYBOARD_SETTINGS
Activity Action: Show settings to configure the hardware keyboard.
String    ACTION_HOME_SETTINGS
Activity Action: Show Home selection settings.
String    ACTION_IGNORE_BACKGROUND_DATA_RESTRICTIONS_SETTINGS
Activity Action: Show screen for controlling background data restrictions for a particular application.
String    ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS
Activity Action: Show screen for controlling which apps can ignore battery optimizations.
String    ACTION_INPUT_METHOD_SETTINGS
Activity Action: Show settings to configure input methods, in particular allowing the user to enable input methods.
String    ACTION_INPUT_METHOD_SUBTYPE_SETTINGS
Activity Action: Show settings to enable/disable input method subtypes.
String    ACTION_INTERNAL_STORAGE_SETTINGS
Activity Action: Show settings for internal storage.
String    ACTION_LOCALE_SETTINGS
Activity Action: Show settings to allow configuration of locale.
String    ACTION_LOCATION_SOURCE_SETTINGS
Activity Action: Show settings to allow configuration of current location sources.
String    ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS
Activity Action: Show settings to manage all applications.
String    ACTION_MANAGE_APPLICATIONS_SETTINGS
Activity Action: Show settings to manage installed applications.
String    ACTION_MANAGE_DEFAULT_APPS_SETTINGS
Activity Action: Show Default apps settings.
String    ACTION_MANAGE_OVERLAY_PERMISSION
Activity Action: Show screen for controlling which apps can draw on top of other apps.
String    ACTION_MANAGE_UNKNOWN_APP_SOURCES
Activity Action: Show settings to allow configuration of trusted external sources

In some cases, a matching Activity may not exist, so ensure you safeguard against this.
String    ACTION_MANAGE_WRITE_SETTINGS
Activity Action: Show screen for controlling which apps are allowed to write/modify system settings.
String    ACTION_MEMORY_CARD_SETTINGS
Activity Action: Show settings for memory card storage.
String    ACTION_NETWORK_OPERATOR_SETTINGS
Activity Action: Show settings for selecting the network operator.
String    ACTION_NFCSHARING_SETTINGS
Activity Action: Show NFC Sharing settings.
String    ACTION_NFC_PAYMENT_SETTINGS
Activity Action: Show NFC Tap & Pay settings

This shows UI that allows the user to configure Tap&Pay settings.
String    ACTION_NFC_SETTINGS
Activity Action: Show NFC settings.
String    ACTION_NIGHT_DISPLAY_SETTINGS
Activity Action: Show settings to allow configuration of Night display.
String    ACTION_NOTIFICATION_LISTENER_SETTINGS
Activity Action: Show Notification listener settings.
String    ACTION_NOTIFICATION_POLICY_ACCESS_SETTINGS
Activity Action: Show Do Not Disturb access settings.
String    ACTION_PRINT_SETTINGS
Activity Action: Show the top level print settings.
String    ACTION_PRIVACY_SETTINGS
Activity Action: Show settings to allow configuration of privacy options.
String    ACTION_QUICK_LAUNCH_SETTINGS
Activity Action: Show settings to allow configuration of quick launch shortcuts.
String    ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
Activity Action: Ask the user to allow an app to ignore battery optimizations (that is, put them on the whitelist of apps shown by ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS).
String    ACTION_REQUEST_SET_AUTOFILL_SERVICE
Activity Action: Show screen that let user select its Autofill Service.
String    ACTION_SEARCH_SETTINGS
Activity Action: Show settings for global search.
String    ACTION_SECURITY_SETTINGS
Activity Action: Show settings to allow configuration of security and location privacy.
String    ACTION_SETTINGS
Activity Action: Show system settings.
String    ACTION_SHOW_REGULATORY_INFO
Activity Action: Show the regulatory information screen for the device.
String    ACTION_SOUND_SETTINGS
Activity Action: Show settings to allow configuration of sound and volume.
String    ACTION_SYNC_SETTINGS
Activity Action: Show settings to allow configuration of sync settings.
String    ACTION_USAGE_ACCESS_SETTINGS
Activity Action: Show settings to control access to usage information.
String    ACTION_USER_DICTIONARY_SETTINGS
Activity Action: Show settings to manage the user input dictionary.
String    ACTION_VOICE_CONTROL_AIRPLANE_MODE
Activity Action: Modify Airplane mode settings using a voice command.
String    ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE
Activity Action: Modify Battery Saver mode setting using a voice command.
String    ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE
Activity Action: Modify do not disturb mode settings.
String    ACTION_VOICE_INPUT_SETTINGS
Activity Action: Show settings to configure input methods, in particular allowing the user to enable input methods.
String    ACTION_VPN_SETTINGS
Activity Action: Show settings to allow configuration of VPN.
String    ACTION_VR_LISTENER_SETTINGS
Activity Action: Show VR listener settings.
String    ACTION_WEBVIEW_SETTINGS
Activity Action: Allows user to select current webview implementation.
String    ACTION_WIFI_IP_SETTINGS
Activity Action: Show settings to allow configuration of a static IP address for Wi-Fi.
String    ACTION_WIFI_SETTINGS
Activity Action: Show settings to allow configuration of Wi-Fi.
String    ACTION_WIRELESS_SETTINGS
Activity Action: Show settings to allow configuration of wireless controls such as Wi-Fi, Bluetooth and Mobile networks.
String    ACTION_ZEN_MODE_PRIORITY_SETTINGS
Activity Action: Show Zen Mode (aka Do Not Disturb) priority configuration settings.
String    AUTHORITY
String    EXTRA_ACCOUNT_TYPES
Activity Extra: Limit available options in launched activity based on the given account types.
String    EXTRA_AIRPLANE_MODE_ENABLED
Activity Extra: Enable or disable Airplane Mode.
String    EXTRA_APP_PACKAGE
Activity Extra: The package owner of the notification channel settings to display.
String    EXTRA_AUTHORITIES
Activity Extra: Limit available options in launched activity based on the given authority.
String    EXTRA_BATTERY_SAVER_MODE_ENABLED
Activity Extra: Enable or disable Battery saver mode.
String    EXTRA_CHANNEL_ID
Activity Extra: The getId() of the notification channel settings to display.
String    EXTRA_DO_NOT_DISTURB_MODE_ENABLED
Activity Extra: Enable or disable Do Not Disturb mode.
String    EXTRA_DO_NOT_DISTURB_MODE_MINUTES
Activity Extra: How many minutes to enable do not disturb mode for.
String    EXTRA_INPUT_METHOD_ID
String    INTENT_CATEGORY_USAGE_ACCESS_CONFIG
Activity Category: Show application settings related to usage access.
String    METADATA_USAGE_ACCESS_REASON
Metadata key: Reason for needing usage access.