Flutter組件-Bar-FlexibleSpaceBar-可摺疊的應用欄

防採集標記：亢少軍老師的課程和資料html FlexibleSpaceBar組件效果圖 示例代碼 import 'package:flutter/material.dart'; void main() => runApp(new MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildCon

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