gesture_detector.1.dart 1.17 KB
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// 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';

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/// Flutter code sample for [GestureDetector].
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void main() => runApp(const GestureDetectorExampleApp());
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class GestureDetectorExampleApp extends StatelessWidget {
  const GestureDetectorExampleApp({super.key});
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  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
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      home: GestureDetectorExample(),
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    );
  }
}

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class GestureDetectorExample extends StatefulWidget {
  const GestureDetectorExample({super.key});
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  @override
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  State<GestureDetectorExample> createState() => _GestureDetectorExampleState();
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}

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class _GestureDetectorExampleState extends State<GestureDetectorExample> {
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  Color _color = Colors.white;

  @override
  Widget build(BuildContext context) {
    return Container(
      color: _color,
      height: 200.0,
      width: 200.0,
      child: GestureDetector(
        onTap: () {
          setState(() {
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            _color == Colors.yellow ? _color = Colors.white : _color = Colors.yellow;
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          });
        },
      ),
    );
  }
}