Scaffold
sample.packages.flutter.lib.src.material.scaffold.2287.
This example demonstrates how to use showBottomSheet
to display a
bottom sheet when a user taps a button. It also demonstrates how to
close a bottom sheet using the Navigator.
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 MyStatelessWidget(),
),
);
}
}
class MyStatelessWidget extends StatelessWidget {
const MyStatelessWidget({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return Center(
child: ElevatedButton(
child: const Text('showBottomSheet'),
onPressed: () {
Scaffold.of(context).showBottomSheet(
(BuildContext context) {
return Container(
height: 200,
color: Colors.amber,
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
const Text('BottomSheet'),
ElevatedButton(
child: const Text('Close BottomSheet'),
onPressed: () {
Navigator.pop(context);
},
),
],
),
),
);
},
);
},
),
);
}
}
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