// 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. import 'package:flutter/material.dart'; /// Flutter code sample for [GestureDetector]. void main() => runApp(const GestureDetectorExampleApp()); class GestureDetectorExampleApp extends StatelessWidget { const GestureDetectorExampleApp({super.key}); @override Widget build(BuildContext context) { return const MaterialApp( home: GestureDetectorExample(), ); } } class GestureDetectorExample extends StatefulWidget { const GestureDetectorExample({super.key}); @override State<GestureDetectorExample> createState() => _GestureDetectorExampleState(); } class _GestureDetectorExampleState extends State<GestureDetectorExample> { Color _color = Colors.white; @override Widget build(BuildContext context) { return Container( color: _color, height: 200.0, width: 200.0, child: GestureDetector( onTap: () { setState(() { _color == Colors.yellow ? _color = Colors.white : _color = Colors.yellow; }); }, ), ); } }