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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';
/// Flutter code sample for [MaterialStateProperty].
void main() => runApp(const MaterialStatePropertyExampleApp());
class MaterialStatePropertyExampleApp extends StatelessWidget {
const MaterialStatePropertyExampleApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(title: const Text('MaterialStateProperty Sample')),
body: const Center(
child: MaterialStatePropertyExample(),
),
),
);
}
}
class MaterialStatePropertyExample extends StatelessWidget {
const MaterialStatePropertyExample({super.key});
@override
Widget build(BuildContext context) {
Color getColor(Set<MaterialState> states) {
const Set<MaterialState> interactiveStates = <MaterialState>{
MaterialState.pressed,
MaterialState.hovered,
MaterialState.focused,
};
if (states.any(interactiveStates.contains)) {
return Colors.blue;
}
return Colors.red;
}
return TextButton(
style: ButtonStyle(
foregroundColor: MaterialStateProperty.resolveWith(getColor),
),
onPressed: () {},
child: const Text('TextButton'),
);
}
}