Intent actions for Settings

系统设置相关界面，通过下面代码跳转（例如：8.0的华为默认拒绝安装未知来源应用，需要手动引导用户跳转到设置页面，允许安装）：

Intent intent = new Intent(android.provider.Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES);
startActivityForResult(intent, GET_UNKNOWN_APP_SOURCES);

/**
 * Activity Action: Show system settings.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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 users.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_USER_SETTINGS =
        "android.settings.USER_SETTINGS";

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

/**
 * Activity Action: Show tether provisioning activity.
 *
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: {@link ConnectivityManager#EXTRA_TETHER_TYPE} should be included to specify which type
 * of tethering should be checked. {@link ConnectivityManager#EXTRA_PROVISION_CALLBACK} should
 * contain a {@link ResultReceiver} which will be called back with a tether result code.
 * <p>
 * Output: The result of the provisioning check.
 * {@link ConnectivityManager#TETHER_ERROR_NO_ERROR} if successful,
 * {@link ConnectivityManager#TETHER_ERROR_PROVISION_FAILED} for failure.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_TETHER_PROVISIONING =
        "android.settings.TETHER_PROVISIONING_UI";

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

/**
 * Activity Action: Modify Airplane mode settings using a voice command.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
 * <p>
 * This intent MUST be started using
 * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
 * startVoiceActivity}.
 * <p>
 * Note: The activity implementing this intent MUST verify that
 * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
 * modifying the setting.
 * <p>
 * Input: To tell which state airplane mode should be set to, add the
 * {@link #EXTRA_AIRPLANE_MODE_ENABLED} extra to this Intent with the state specified.
 * If the extra is not included, no changes will be made.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_VOICE_CONTROL_AIRPLANE_MODE =
        "android.settings.VOICE_CONTROL_AIRPLANE_MODE";

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

/**
 * Activity Action: Show settings to control access to usage information.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_USAGE_ACCESS_SETTINGS =
        "android.settings.USAGE_ACCESS_SETTINGS";

/**
 * Activity Category: Show application settings related to usage access.
 * <p>
 * An activity that provides a user interface for adjusting usage access related
 * preferences for its containing application. Optional but recommended for apps that
 * use {@link android.Manifest.permission#PACKAGE_USAGE_STATS}.
 * <p>
 * The activity may define meta-data to describe what usage access is
 * used for within their app with {@link #METADATA_USAGE_ACCESS_REASON}, which
 * will be displayed in Settings.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.INTENT_CATEGORY)
public static final String INTENT_CATEGORY_USAGE_ACCESS_CONFIG =
        "android.intent.category.USAGE_ACCESS_CONFIG";

/**
 * Metadata key: Reason for needing usage access.
 * <p>
 * A key for metadata attached to an activity that receives action
 * {@link #INTENT_CATEGORY_USAGE_ACCESS_CONFIG}, shown to the
 * user as description of how the app uses usage access.
 * <p>
 */
public static final String METADATA_USAGE_ACCESS_REASON =
        "android.settings.metadata.USAGE_ACCESS_REASON";

/**
 * Activity Action: Show settings to allow configuration of security and
 * location privacy.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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 trusted external sources
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Optionally, the Intent's data URI can specify the application package name to
 * directly invoke the management GUI specific to the package name. For example
 * "package:com.my.app".
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_MANAGE_UNKNOWN_APP_SOURCES =
        "android.settings.MANAGE_UNKNOWN_APP_SOURCES";

/**
 * Activity Action: Show trusted credentials settings, opening to the user tab,
 * to allow management of installed credentials.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_TRUSTED_CREDENTIALS_USER =
        "com.android.settings.TRUSTED_CREDENTIALS_USER";

/**
 * Activity Action: Show dialog explaining that an installed CA cert may enable
 * monitoring of encrypted network traffic.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this. Add {@link #EXTRA_NUMBER_OF_CERTIFICATES} extra to indicate the
 * number of certificates.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_MONITORING_CERT_INFO =
        "com.android.settings.MONITORING_CERT_INFO";

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

/**
 * Activity Action: Show settings to allow configuration of Wi-Fi.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you safeguard
 * against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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 cast endpoints.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_CAST_SETTINGS =
        "android.settings.CAST_SETTINGS";

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

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

/**
 * Activity Action: Show settings to configure input methods, in particular
 * allowing the user to enable input methods.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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 enable/disable input method subtypes.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * To tell which input method's subtypes are displayed in the settings, add
 * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
 * If there is no extra in this Intent, subtypes from all installed input methods
 * will be displayed in the settings.
 *
 * @see android.view.inputmethod.InputMethodInfo#getId
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
        "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";

/**
 * Activity Action: Show a dialog to select input method.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
        "android.settings.SHOW_INPUT_METHOD_PICKER";

/**
 * Activity Action: Show settings to manage the user input dictionary.
 * <p>
 * Starting with {@link android.os.Build.VERSION_CODES#KITKAT},
 * it is guaranteed there will always be an appropriate implementation for this Intent action.
 * In prior releases of the platform this was optional, so ensure you safeguard against it.
 * <p>
 * Input: Nothing.
 * <p>
 * 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 configure the hardware keyboard.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_HARD_KEYBOARD_SETTINGS =
        "android.settings.HARD_KEYBOARD_SETTINGS";

/**
 * Activity Action: Adds a word to the user dictionary.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: An extra with key <code>word</code> that contains the word
 * that should be added to the dictionary.
 * <p>
 * Output: Nothing.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_USER_DICTIONARY_INSERT =
        "com.android.settings.USER_DICTIONARY_INSERT";

/**
 * Activity Action: Show settings to allow configuration of application-related settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.  As of
 * {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR1} this action is
 * a required part of the platform.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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 for controlling which apps can draw on top of other apps.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Optionally, the Intent's data URI can specify the application package name to
 * directly invoke the management GUI specific to the package name. For example
 * "package:com.my.app".
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_MANAGE_OVERLAY_PERMISSION =
        "android.settings.action.MANAGE_OVERLAY_PERMISSION";

/**
 * Activity Action: Show screen for controlling which apps are allowed to write/modify
 * system settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Optionally, the Intent's data URI can specify the application package name to
 * directly invoke the management GUI specific to the package name. For example
 * "package:com.my.app".
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_MANAGE_WRITE_SETTINGS =
        "android.settings.action.MANAGE_WRITE_SETTINGS";

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

/**
 * Activity Action: Show list of applications that have been running
 * foreground services (to the user "running in the background").
 * <p>
 * Input: Extras "packages" is a string array of package names.
 * <p>
 * Output: Nothing.
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_FOREGROUND_SERVICES_SETTINGS =
        "android.settings.FOREGROUND_SERVICES_SETTINGS";

/**
 * Activity Action: Show screen for controlling which apps can ignore battery optimizations.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 * <p>
 * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
 * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
 * already ignoring optimizations.  You can use
 * {@link #ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS} to ask the user to put you
 * on this list.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS =
        "android.settings.IGNORE_BATTERY_OPTIMIZATION_SETTINGS";

/**
 * Activity Action: Ask the user to allow an app to ignore battery optimizations (that is,
 * put them on the whitelist of apps shown by
 * {@link #ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS}).  For an app to use this, it also
 * must hold the {@link android.Manifest.permission#REQUEST_IGNORE_BATTERY_OPTIMIZATIONS}
 * permission.
 * <p><b>Note:</b> most applications should <em>not</em> use this; there are many facilities
 * provided by the platform for applications to operate correctly in the various power
 * saving modes.  This is only for unusual applications that need to deeply control their own
 * execution, at the potential expense of the user's battery life.  Note that these applications
 * greatly run the risk of showing to the user as high power consumers on their device.</p>
 * <p>
 * Input: The Intent's data URI must specify the application package name
 * to be shown, with the "package" scheme.  That is "package:com.my.app".
 * <p>
 * Output: Nothing.
 * <p>
 * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
 * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
 * already ignoring optimizations.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS =
        "android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS";

/**
 * Activity Action: Show screen for controlling background data
 * restrictions for a particular application.
 * <p>
 * Input: Intent's data URI set with an application name, using the
 * "package" schema (like "package:com.my.app").
 *
 * <p>
 * Output: Nothing.
 * <p>
 * Applications can also use {@link android.net.ConnectivityManager#getRestrictBackgroundStatus
 * ConnectivityManager#getRestrictBackgroundStatus()} to determine the
 * status of the background data restrictions for them.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_IGNORE_BACKGROUND_DATA_RESTRICTIONS_SETTINGS =
        "android.settings.IGNORE_BACKGROUND_DATA_RESTRICTIONS_SETTINGS";

/**
 * @hide
 * Activity Action: Show the "app ops" settings screen.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_APP_OPS_SETTINGS =
        "android.settings.APP_OPS_SETTINGS";

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

/**
 * Activity Action: Show settings to allow configuration of sync settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * 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.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * 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.
 * <p>
 * Account types can also be filtered by adding an {@link #EXTRA_ACCOUNT_TYPES} extra to the
 * Intent with one or more account types.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * 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.).
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_DEVICE_INFO_SETTINGS =
    "android.settings.DEVICE_INFO_SETTINGS";

/**
 * Activity Action: Show NFC settings.
 * <p>
 * This shows UI that allows NFC to be turned on or off.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing
 * @see android.nfc.NfcAdapter#isEnabled()
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";

/**
 * Activity Action: Show NFC Sharing settings.
 * <p>
 * This shows UI that allows NDEF Push (Android Beam) to be turned on or
 * off.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing
 * @see android.nfc.NfcAdapter#isNdefPushEnabled()
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_NFCSHARING_SETTINGS =
    "android.settings.NFCSHARING_SETTINGS";

/**
 * Activity Action: Show NFC Tap & Pay settings
 * <p>
 * This shows UI that allows the user to configure Tap&Pay
 * settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_NFC_PAYMENT_SETTINGS =
    "android.settings.NFC_PAYMENT_SETTINGS";

/**
 * Activity Action: Show Daydream settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 * @see android.service.dreams.DreamService
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_DREAM_SETTINGS = "android.settings.DREAM_SETTINGS";

/**
 * Activity Action: Show Notification listener settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 * @see android.service.notification.NotificationListenerService
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_NOTIFICATION_LISTENER_SETTINGS
        = "android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS";

/**
 * Activity Action: Show Do Not Disturb access settings.
 * <p>
 * Users can grant and deny access to Do Not Disturb configuration from here.
 * See {@link android.app.NotificationManager#isNotificationPolicyAccessGranted()} for more
 * details.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_NOTIFICATION_POLICY_ACCESS_SETTINGS
        = "android.settings.NOTIFICATION_POLICY_ACCESS_SETTINGS";

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

/**
 * Activity Action: Show settings for video captioning.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you safeguard
 * against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_CAPTIONING_SETTINGS = "android.settings.CAPTIONING_SETTINGS";

/**
 * Activity Action: Show the top level print settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_PRINT_SETTINGS =
        "android.settings.ACTION_PRINT_SETTINGS";

/**
 * Activity Action: Show Zen Mode configuration settings.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_ZEN_MODE_SETTINGS = "android.settings.ZEN_MODE_SETTINGS";

/**
 * Activity Action: Show Zen Mode (aka Do Not Disturb) priority configuration settings.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_ZEN_MODE_PRIORITY_SETTINGS
        = "android.settings.ZEN_MODE_PRIORITY_SETTINGS";

/**
 * Activity Action: Show Zen Mode automation configuration settings.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_ZEN_MODE_AUTOMATION_SETTINGS
        = "android.settings.ZEN_MODE_AUTOMATION_SETTINGS";

/**
 * Activity Action: Modify do not disturb mode settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
 * <p>
 * This intent MUST be started using
 * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
 * startVoiceActivity}.
 * <p>
 * Note: The Activity implementing this intent MUST verify that
 * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction}.
 * returns true before modifying the setting.
 * <p>
 * Input: The optional {@link #EXTRA_DO_NOT_DISTURB_MODE_MINUTES} extra can be used to indicate
 * how long the user wishes to avoid interruptions for. The optional
 * {@link #EXTRA_DO_NOT_DISTURB_MODE_ENABLED} extra can be to indicate if the user is
 * enabling or disabling do not disturb mode. If either extra is not included, the
 * user maybe asked to provide the value.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE =
        "android.settings.VOICE_CONTROL_DO_NOT_DISTURB_MODE";

/**
 * Activity Action: Show Zen Mode schedule rule configuration settings.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_ZEN_MODE_SCHEDULE_RULE_SETTINGS
        = "android.settings.ZEN_MODE_SCHEDULE_RULE_SETTINGS";

/**
 * Activity Action: Show Zen Mode event rule configuration settings.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_ZEN_MODE_EVENT_RULE_SETTINGS
        = "android.settings.ZEN_MODE_EVENT_RULE_SETTINGS";

/**
 * Activity Action: Show Zen Mode external rule configuration settings.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_ZEN_MODE_EXTERNAL_RULE_SETTINGS
        = "android.settings.ZEN_MODE_EXTERNAL_RULE_SETTINGS";

/**
 * Activity Action: Show the regulatory information screen for the device.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you safeguard
 * against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String
        ACTION_SHOW_REGULATORY_INFO = "android.settings.SHOW_REGULATORY_INFO";

/**
 * Activity Action: Show Device Name Settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you safeguard
 * against this.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String DEVICE_NAME_SETTINGS = "android.settings.DEVICE_NAME";

/**
 * Activity Action: Show pairing settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you safeguard
 * against this.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_PAIRING_SETTINGS = "android.settings.PAIRING_SETTINGS";

/**
 * Activity Action: Show battery saver settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you safeguard
 * against this.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_BATTERY_SAVER_SETTINGS
        = "android.settings.BATTERY_SAVER_SETTINGS";

/**
 * Activity Action: Modify Battery Saver mode setting using a voice command.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
 * <p>
 * This intent MUST be started using
 * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
 * startVoiceActivity}.
 * <p>
 * Note: The activity implementing this intent MUST verify that
 * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
 * modifying the setting.
 * <p>
 * Input: To tell which state batter saver mode should be set to, add the
 * {@link #EXTRA_BATTERY_SAVER_MODE_ENABLED} extra to this Intent with the state specified.
 * If the extra is not included, no changes will be made.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE =
        "android.settings.VOICE_CONTROL_BATTERY_SAVER_MODE";

/**
 * Activity Action: Show Home selection settings. If there are multiple activities
 * that can satisfy the {@link Intent#CATEGORY_HOME} intent, this screen allows you
 * to pick your preferred activity.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_HOME_SETTINGS
        = "android.settings.HOME_SETTINGS";

/**
 * Activity Action: Show Default apps settings.
 * <p>
 * In some cases, a matching Activity may not exist, so ensure you
 * safeguard against this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_MANAGE_DEFAULT_APPS_SETTINGS
        = "android.settings.MANAGE_DEFAULT_APPS_SETTINGS";

/**
 * Activity Action: Show notification settings.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_NOTIFICATION_SETTINGS
        = "android.settings.NOTIFICATION_SETTINGS";

/**
 * Activity Action: Show notification settings for a single app.
 * <p>
 *     Input: {@link #EXTRA_APP_PACKAGE}, the package containing the channel to display.
 *     Input: Optionally, {@link #EXTRA_CHANNEL_ID}, to highlight that channel.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_APP_NOTIFICATION_SETTINGS
        = "android.settings.APP_NOTIFICATION_SETTINGS";

/**
 * Activity Action: Show notification settings for a single {@link NotificationChannel}.
 * <p>
 *     Input: {@link #EXTRA_APP_PACKAGE}, the package containing the channel to display.
 *     Input: {@link #EXTRA_CHANNEL_ID}, the id of the channel to display.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_CHANNEL_NOTIFICATION_SETTINGS
        = "android.settings.CHANNEL_NOTIFICATION_SETTINGS";

/**
 * Activity Extra: The package owner of the notification channel settings to display.
 * <p>
 * This must be passed as an extra field to the {@link #ACTION_CHANNEL_NOTIFICATION_SETTINGS}.
 */
public static final String EXTRA_APP_PACKAGE = "android.provider.extra.APP_PACKAGE";

/**
 * Activity Extra: The {@link NotificationChannel#getId()} of the notification channel settings
 * to display.
 * <p>
 * This must be passed as an extra field to the {@link #ACTION_CHANNEL_NOTIFICATION_SETTINGS}.
 */
public static final String EXTRA_CHANNEL_ID = "android.provider.extra.CHANNEL_ID";

/**
 * Activity Action: Show notification redaction settings.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_APP_NOTIFICATION_REDACTION
        = "android.settings.ACTION_APP_NOTIFICATION_REDACTION";

/** @hide */ public static final String EXTRA_APP_UID = "app_uid";

/**
 * Activity Action: Show a dialog with disabled by policy message.
 * <p> If an user action is disabled by policy, this dialog can be triggered to let
 * the user know about this.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_SHOW_ADMIN_SUPPORT_DETAILS
        = "android.settings.SHOW_ADMIN_SUPPORT_DETAILS";

/**
 * Activity Action: Show a dialog for remote bugreport flow.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_SHOW_REMOTE_BUGREPORT_DIALOG
        = "android.settings.SHOW_REMOTE_BUGREPORT_DIALOG";

/**
 * Activity Action: Show VR listener settings.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 *
 * @see android.service.vr.VrListenerService
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_VR_LISTENER_SETTINGS
        = "android.settings.VR_LISTENER_SETTINGS";

/**
 * Activity Action: Show Picture-in-picture settings.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_PICTURE_IN_PICTURE_SETTINGS
        = "android.settings.PICTURE_IN_PICTURE_SETTINGS";

/**
 * Activity Action: Show Storage Manager settings.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 *
 * @hide
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_STORAGE_MANAGER_SETTINGS
        = "android.settings.STORAGE_MANAGER_SETTINGS";

/**
 * Activity Action: Allows user to select current webview implementation.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_WEBVIEW_SETTINGS = "android.settings.WEBVIEW_SETTINGS";

/**
 * Activity Action: Show enterprise privacy section.
 * <p>
 * Input: Nothing.
 * <p>
 * Output: Nothing.
 * @hide
 */
@SystemApi
@TestApi
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_ENTERPRISE_PRIVACY_SETTINGS
        = "android.settings.ENTERPRISE_PRIVACY_SETTINGS";

/**
 * Activity Action: Show screen that let user select its Autofill Service.
 * <p>
 * Input: Intent's data URI set with an application name, using the
 * "package" schema (like "package:com.my.app").
 *
 * <p>
 * Output: {@link android.app.Activity#RESULT_OK} if user selected an Autofill Service belonging
 * to the caller package.
 *
 * <p>
 * <b>NOTE: </b> applications should call
 * {@link android.view.autofill.AutofillManager#hasEnabledAutofillServices()} and
 * {@link android.view.autofill.AutofillManager#isAutofillSupported()} first, and only
 * broadcast this intent if they return {@code false} and {@code true} respectively.
 */
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_REQUEST_SET_AUTOFILL_SERVICE =
        "android.settings.REQUEST_SET_AUTOFILL_SERVICE";