Flutter组件-Bar-FlexibleSpaceBar-可折叠的应用栏

防采集标记：亢少军老师的课程和资料html FlexibleSpaceBar组件效果图 示例代码 import 'package:flutter/material.dart'; void main() => runApp(new MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildCon

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