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This repository has been archived by the owner on Jul 14, 2021. It is now read-only.
通过平台的Canvas渲染,看似性能比原生系统组件的高。其实只是高在创建的时候。
但是系统的的View都存在一个RenderNode并用来Cache DisplayList。
这样当局部有一个View发生了变动,只要对这个View重新生成DisplayList就行了。
如果全屏都是用VirtualView的方案,那么他一定会渲染到一个的View上面,
那么整个屏幕的渲染指令都会算到这个View的RenderNode上面,
这个时候这个区域有一点点变化都需要重建整个View的渲染命令。
这比系统原生的策略比起来重太多了。
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