| // 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. |
| |
| // Flutter code sample for InkWell |
| |
| 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: MyStatefulWidget(), |
| ), |
| ), |
| ); |
| } |
| } |
| |
| class MyStatefulWidget extends StatefulWidget { |
| const MyStatefulWidget({Key? key}) : super(key: key); |
| |
| @override |
| State<MyStatefulWidget> createState() => _MyStatefulWidgetState(); |
| } |
| |
| class _MyStatefulWidgetState extends State<MyStatefulWidget> { |
| double sideLength = 50; |
| |
| @override |
| Widget build(BuildContext context) { |
| return AnimatedContainer( |
| height: sideLength, |
| width: sideLength, |
| duration: const Duration(seconds: 2), |
| curve: Curves.easeIn, |
| child: Material( |
| color: Colors.yellow, |
| child: InkWell( |
| onTap: () { |
| setState(() { |
| sideLength == 50 ? sideLength = 100 : sideLength = 50; |
| }); |
| }, |
| ), |
| ), |
| ); |
| } |
| } |