Which of the following belongs to the lifecycle of starting a Service Ability?
Answer(s): A
If a developer needs to use asyncDispatBarrionr to set up a barrier asynchronously, in this scenario, in order to separate different task groups, which of the following can the developer choose?
Answer(s): C
If a developer wants to use the JavaScript UI framework to develop a graffiti application that allows users to draw custom graphics, which of the following components can be used by the developer?
When a developer clicks the exit button of an application to release PageAbility resources, which callback method in the ability lifecycle of the Pag package will be triggered?
Answer(s): D
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