| // 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/freeform.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 Scaffold.of |
| // |
| //*************************************************************************** |
| //* ▼▼▼▼▼▼▼▼ description ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) |
| |
| // Typical usage of the [Scaffold.of] function is to call it from within the |
| // `build` method of a child of a [Scaffold]. |
| |
| //* ▲▲▲▲▲▲▲▲ description ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) |
| //*************************************************************************** |
| |
| //**************************************************************************** |
| //* ▼▼▼▼▼▼▼▼ code-imports ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) |
| |
| import 'package:flutter/material.dart'; |
| |
| //* ▲▲▲▲▲▲▲▲ code-imports ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) |
| //**************************************************************************** |
| |
| //************************************************************************* |
| //* ▼▼▼▼▼▼▼▼ code-main ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) |
| |
| void main() => runApp(const MyApp()); |
| |
| //* ▲▲▲▲▲▲▲▲ code-main ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) |
| //************************************************************************* |
| |
| //***************************************************************************** |
| //* ▼▼▼▼▼▼▼▼ code-preamble ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) |
| |
| class MyApp extends StatelessWidget { |
| const MyApp({Key? key}) : super(key: key); |
| |
| // This widget is the root of your application. |
| @override |
| Widget build(BuildContext context) { |
| return MaterialApp( |
| title: 'Flutter Code Sample for Scaffold.of.', |
| theme: ThemeData( |
| primarySwatch: Colors.blue, |
| ), |
| home: Scaffold( |
| body: const MyScaffoldBody(), |
| appBar: AppBar(title: const Text('Scaffold.of Example')), |
| ), |
| color: Colors.white, |
| ); |
| } |
| } |
| |
| //* ▲▲▲▲▲▲▲▲ code-preamble ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) |
| //***************************************************************************** |
| |
| //******************************************************************** |
| //* ▼▼▼▼▼▼▼▼ code ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) |
| |
| class MyScaffoldBody extends StatelessWidget { |
| const MyScaffoldBody({Key? key}) : super(key: key); |
| |
| @override |
| Widget build(BuildContext context) { |
| return Center( |
| child: ElevatedButton( |
| child: const Text('SHOW BOTTOM SHEET'), |
| onPressed: () { |
| Scaffold.of(context).showBottomSheet<void>( |
| (BuildContext context) { |
| return Container( |
| alignment: Alignment.center, |
| height: 200, |
| color: Colors.amber, |
| child: Center( |
| child: Column( |
| mainAxisSize: MainAxisSize.min, |
| children: <Widget>[ |
| const Text('BottomSheet'), |
| ElevatedButton( |
| child: const Text('Close BottomSheet'), |
| onPressed: () { |
| Navigator.pop(context); |
| }, |
| ) |
| ], |
| ), |
| ), |
| ); |
| }, |
| ); |
| }, |
| ), |
| ); |
| } |
| } |
| |
| //* ▲▲▲▲▲▲▲▲ code ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) |
| //******************************************************************** |