harmony 鸿蒙Common Event Subscription Overview
Common Event Subscription Overview
The common event service provides two subscription modes: dynamic and static. The biggest difference between these two modes is that dynamic subscription requires the application to be running, while static subscription does not.
In dynamic subscription mode, a subscriber subscribes to common events by calling an API during the running period. For details, see Subscribing to Common Events in Dynamic Mode.
In static subscription mode, a subscriber subscribes to common events by configuring a declaration file and implementing a class that inherits from StaticSubscriberExtensionAbility. For details, see Subscribing to Common Events in Static Mode.
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