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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.
// Flutter code sample for PreferredSize
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 const MaterialApp(
title: _title,
home: MyStatelessWidget(),
);
}
}
class AppBarContent extends StatelessWidget {
const AppBarContent({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.end,
children: <Widget>[
Padding(
padding: const EdgeInsets.symmetric(horizontal: 10),
child: Row(
children: <Widget>[
const Text(
'PreferredSize Sample',
style: TextStyle(color: Colors.white),
),
const Spacer(),
IconButton(
icon: const Icon(
Icons.search,
size: 20,
),
color: Colors.white,
onPressed: () {},
),
IconButton(
icon: const Icon(
Icons.more_vert,
size: 20,
),
color: Colors.white,
onPressed: () {},
),
],
),
),
],
);
}
}
class MyStatelessWidget extends StatelessWidget {
const MyStatelessWidget({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: PreferredSize(
preferredSize: const Size.fromHeight(80.0),
child: Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
colors: <Color>[Colors.blue, Colors.pink],
),
),
child: const AppBarContent(),
),
),
body: const Center(
child: Text('Content'),
),
);
}
}