關於Flutter的檢視更新策略?

時間 2021-06-09 18:23:55

1樓:拼音

類似React的。

Flutter widgets are built using a modern framework that takes inspiration from React.The central idea is that you build your UI out of widgets. Widgets describe what their view should look like given their current configuration and state.

When a widget』s state changes, the widget rebuilds its description, which the framework diffs against the previous description in order to determine the minimal changes needed in the underlying render tree to transition from one state to the next.

Introduction to widgetsElement在Flutter的作用是協調Widget和Render Object,類似React裡vdom的diff演算法,屬於實現細節。此外Element還負責支援類似React Context的InheritedWidget等工作。

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