flutter知识笔记

1.组件MaterialApp 标准app风格模式，含标题、主题、首页等属性

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
      debugShowCheckedModeBanner: false,
    );
  }
}

2.组件Scaffold

https://www.jianshu.com/p/a0fcb755a7b8

FloatingActionButton悬浮按钮

3.