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30天Flutter手滑系列- 狀態管理(State Management) - iT 邦幫忙

如果需要跨組件傳遞，需要把傳遞的任務放到parent的widget上。由於每次setState需要rebuild widgets，如果是隔很多層的傳遞，需要被rebuild的widgets會越多，相對效能會 ...

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