harmony 鸿蒙@ohos.app.ability.wantConstant (wantConstant)
@ohos.app.ability.wantConstant (wantConstant)
The wantConstant module provides the actions, entities, and flags used in Want objects.
NOTE
The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
Modules to Import
import wantConstant from '@ohos.app.ability.wantConstant';
wantConstant.Params
Defines Params (specifying the action that can be performed) in the Want.
System capability: SystemCapability.Ability.AbilityBase
Name | Value | Description |
---|---|---|
DLP_PARAMS_SANDBOX | ohos.dlp.params.sandbox | Action of obtaining the sandbox flag. System API: This is a system API and cannot be called by third-party applications. |
DLP_PARAMS_BUNDLE_NAME | ohos.dlp.params.bundleName | Action of obtaining the DLP bundle name. System API: This is a system API and cannot be called by third-party applications. |
DLP_PARAMS_MODULE_NAME | ohos.dlp.params.moduleName | Action of obtaining the DLP module name. System API: This is a system API and cannot be called by third-party applications. |
DLP_PARAMS_ABILITY_NAME | ohos.dlp.params.abilityName | Action of obtaining the DLP ability name. System API: This is a system API and cannot be called by third-party applications. |
DLP_PARAMS_INDEX | ohos.dlp.params.index | Action of obtaining the DLP index. System API: This is a system API and cannot be called by third-party applications. |
ABILITY_BACK_TO_OTHER_MISSION_STACK | ability.params.backToOtherMissionStack | Whether to support redirection back across mission stacks. |
ABILITY_RECOVERY_RESTART10+ | ohos.ability.params.abilityRecoveryRestart | Action of recovering an ability from a fault and restarting it. |
CONTENT_TITLE_KEY10+ | ohos.extra.param.key.contentTitle | Action of sharing the content title. |
SHARE_ABSTRACT_KEY10+ | ohos.extra.param.key.shareAbstract | Action of sharing the abstract. |
SHARE_URL_KEY10+ | ohos.extra.param.key.shareUrl | Action of sharing the URL. |
SUPPORT_CONTINUE_PAGE_STACK_KEY10+ | ohos.extra.param.key.supportContinuePageStack | Whether to migrate page stack information during cross-device migration. The default value is true, indicating that page stack information is automatically migrated. |
SUPPORT_CONTINUE_SOURCE_EXIT_KEY10+ | ohos.extra.param.key.supportContinueSourceExit | Whether to exit the application on the source device during cross-device migration. The default value is true, indicating that the application on the source device automatically exits. |
wantConstant.Flags
Enumerates the flags that specify how the Want will be handled.
System capability: SystemCapability.Ability.AbilityBase
Name | Value | Description |
---|---|---|
FLAG_AUTH_READ_URI_PERMISSION | 0x00000001 | Indicates the permission to read the URI. |
FLAG_AUTH_WRITE_URI_PERMISSION | 0x00000002 | Indicates the permission to write data to the URI. |
FLAG_AUTH_PERSISTABLE_URI_PERMISSION10+ | 0x00000040 | Indicates the permanent permission of the URI. This flag is valid only for PC applications. System API: This is a system API and cannot be called by third-party applications. If this flag is used together with FLAG_AUTH_READ_URI_PERMISSION, the permanent read permission is granted. If this flag is used together with FLAG_AUTH_WRITE_URI_PERMISSION, the permanent write permission is granted. The flag takes effect only when the PERMISSION_PROXY_AUTHORIZATION_URI permission is configured for the application. |
FLAG_INSTALL_ON_DEMAND | 0x00000800 | Indicates that the specific ability will be installed if it has not been installed. |
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