flutter/examples/api/lib/material/tabs/tab_bar.onHover.dart
Ildeberto Vasconcelos 9f10f8d8cc
Remove redundant usematerial3 (#167337)
This PR removes redundant useMaterial3 since it is true by default.


Contribute to https://github.com/flutter/flutter/issues/162818

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] All existing and new tests are passing.
2025-04-23 18:05:48 +00:00

65 lines
1.8 KiB
Dart

// 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 [TabBar.onFocusChange].
void main() => runApp(const TabBarApp());
class TabBarApp extends StatelessWidget {
const TabBarApp({super.key});
@override
Widget build(BuildContext context) {
return const MaterialApp(home: TabBarExample());
}
}
class TabBarExample extends StatefulWidget {
const TabBarExample({super.key});
@override
State<TabBarExample> createState() => _TabBarExampleState();
}
class _TabBarExampleState extends State<TabBarExample> {
final List<Color> tabColors = <Color>[Colors.purple, Colors.purple, Colors.purple];
@override
Widget build(BuildContext context) {
return DefaultTabController(
initialIndex: 1,
length: 3,
child: Scaffold(
appBar: AppBar(
title: const Text('TabBar Sample'),
bottom: TabBar(
onHover: (bool value, int index) {
setState(() {
tabColors[index] = switch (value) {
true => Colors.pink,
false => Colors.purple,
};
});
},
tabs: <Widget>[
Tab(icon: Icon(Icons.cloud_outlined, color: tabColors[0])),
Tab(icon: Icon(Icons.beach_access_sharp, color: tabColors[1])),
Tab(icon: Icon(Icons.brightness_5_sharp, color: tabColors[2])),
],
),
),
body: const TabBarView(
children: <Widget>[
Center(child: Text("It's cloudy here")),
Center(child: Text("It's rainy here")),
Center(child: Text("It's sunny here")),
],
),
),
);
}
}