程序包 ohos.event.commonevent

Manages common events, such as common event publishing, subscription, and unsubscription.

The following functions are supported:

• Publishes standard common events.
• Publishes ordered common events.
• Publishes sticky common events.
• Subscribes to common events.
• Unsubscribes from common events.

从以下版本开始:

1

接口概要

接口	说明
ICommonEventManager	已过时。 This change is effective since API version 5.
ICommonEventSubscriber	已过时。 This change is effective since API version 5.

类概要

类	说明
AsyncCommonEventResult	Encapsulates the asynchronous result of the current ordered common event.
CommonEventData	Carries common events, for example, publishing common event contents and storing common events received after subscription.
CommonEventManager	Manages common events, such as publishing, subscribing to, and unsubscribing from common events.
CommonEventPublishInfo	Provides information for publishing common events, including setting subscriber filter criteria, common event type and mode.
CommonEventSubscribeInfo	Sets filter criteria of publishers, such as the device ID and permission, for subscribing to desired common events.
CommonEventSubscriber	Provides methods that will be called back when a subscriber receives a new common event.
CommonEventSupport	Provides a series of static system-level constants of common events.
MatchingSkills	Encapsulates particular common events to which a subscriber wants to subscribe.

枚举概要

枚举	说明
CommonEventSubscribeInfo.ThreadMode	Specifies the thread mode so that the callback method of the subscriber runs on the specified thread.