| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Template: dev/snippets/config/templates/stateless_widget_scaffold.tmpl |
| // |
| // Comment lines marked with "▼▼▼" and "▲▲▲" are used for authoring |
| // of samples, and may be ignored if you are just exploring the sample. |
| |
| // Flutter code sample for showModalBottomSheet |
| // |
| //*************************************************************************** |
| //* ▼▼▼▼▼▼▼▼ description ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) |
| |
| // This example demonstrates how to use `showModalBottomSheet` to display a |
| // bottom sheet that obscures the content behind it when a user taps a button. |
| // It also demonstrates how to close the bottom sheet using the [Navigator] |
| // when a user taps on a button inside the bottom sheet. |
| |
| //* ▲▲▲▲▲▲▲▲ description ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) |
| //*************************************************************************** |
| |
| import 'package:flutter/material.dart'; |
| |
| void main() => runApp(const MyApp()); |
| |
| /// This is the main application widget. |
| 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(), |
| ), |
| ); |
| } |
| } |
| |
| /// This is the stateless widget that the main application instantiates. |
| class MyStatelessWidget extends StatelessWidget { |
| const MyStatelessWidget({Key? key}) : super(key: key); |
| |
| @override |
| //******************************************************************** |
| //* ▼▼▼▼▼▼▼▼ code ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) |
| |
| Widget build(BuildContext context) { |
| return Center( |
| child: ElevatedButton( |
| child: const Text('showModalBottomSheet'), |
| onPressed: () { |
| showModalBottomSheet<void>( |
| context: context, |
| builder: (BuildContext context) { |
| return Container( |
| height: 200, |
| color: Colors.amber, |
| child: Center( |
| child: Column( |
| mainAxisAlignment: MainAxisAlignment.center, |
| mainAxisSize: MainAxisSize.min, |
| children: <Widget>[ |
| const Text('Modal BottomSheet'), |
| ElevatedButton( |
| child: const Text('Close BottomSheet'), |
| onPressed: () => Navigator.pop(context), |
| ) |
| ], |
| ), |
| ), |
| ); |
| }, |
| ); |
| }, |
| ), |
| ); |
| } |
| |
| //* ▲▲▲▲▲▲▲▲ code ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) |
| //******************************************************************** |
| |
| } |