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[Flutter] 버튼에 기능 부여하는 법
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Web & Android/Flutter
버튼에 기능 부여하는 법 FloatingActionButton() → 버튼에 기능 넣기 class _MyAppState extends State { var a = 1; @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( floatingActionButton: FloatingActionButton( child: Text(a.toString()), onPressed: () { setState(() { a++; }); }, ), appBar: AppBar(), body: ListView.builder( itemCount: 3, itemBuilder: (c, i) { return ListTile( leading: I..