main.dart

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Container(
          child: ListView.builder(
        itemCount: 5,
        itemBuilder: (context, index) => ListItem(),
      )),
    );
  }
}