Flex分享：生命周期

发布时间：2020-12-15 01:24:52 所属栏目：百科来源：网络整理

导读：组件生命周期包括三步：initialization,update,destruction. 过程方法见下表总结： Life Cycle Procedure initialization construction? attachment(be added to the display list and it has a parent) initialization dispatches the preinitialize event

组件生命周期包括三步：initialization,update,destruction.

过程方法见下表总结：

Life Cycle Procedure
initialization	construction?
	attachment(be added to the display list and it has a parent)
	initialization	dispatches the preinitialize event
		createChildren()
		dispatches the initialize event
		goes throught a full invalidation & validation ( This step occurs both the here and during the update phase)	commitProperites()
			measure()
			updateDisplayList()
update	Waiting for update request?
	Update request
	Invalidation
	Validation

destruction?	Be removed from this display list?no longer referenced anywhere?

（编辑：李大同）

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