Scaffold
sample.packages.flutter.lib.src.material.scaffold.263.
Here is an example of showing a [SnackBar] when the user presses a button.
import 'package:flutter/material.dart';
void main() => runApp(const MyApp());
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
static const String _title = 'Flutter Code Sample';
@override
Widget build(BuildContext context) {
return MaterialApp(
title: _title,
home: Scaffold(
appBar: AppBar(title: const Text(_title)),
body: const Center(
child: MyStatelessWidget(),
),
),
);
}
}
class MyStatelessWidget extends StatelessWidget {
const MyStatelessWidget({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return OutlinedButton(
onPressed: () {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('A SnackBar has been shown.'),
),
);
},
child: const Text('Show SnackBar'),
);
}
}
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