81 lines
1.9 KiB
Dart
81 lines
1.9 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flutter code sample for Hero
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import 'package:flutter/material.dart';
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void main() => runApp(const HeroApp());
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class HeroApp extends StatelessWidget {
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const HeroApp({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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home: Scaffold(
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appBar: AppBar(title: const Text('Hero Sample')),
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body: const Center(
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child: HeroExample(),
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),
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),
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);
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}
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}
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class HeroExample extends StatelessWidget {
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const HeroExample({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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const SizedBox(
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height: 20.0,
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),
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ListTile(
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leading: Hero(
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tag: 'hero-rectangle',
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child: _box(const Size(50, 50)),
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),
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onTap: () => _gotoDetailsPage(context),
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title: const Text(
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'Tap on the icon to view hero animation transition.',
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),
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),
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],
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);
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}
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Widget _box(Size size) {
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return Container(
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width: size.width,
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height: size.height,
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color: Colors.blue,
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);
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}
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void _gotoDetailsPage(BuildContext context) {
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Navigator.of(context).push(MaterialPageRoute<void>(
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builder: (BuildContext context) => Scaffold(
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appBar: AppBar(
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title: const Text('Second Page'),
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),
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body: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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Hero(
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tag: 'hero-rectangle',
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child: _box(const Size(200, 200)),
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),
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],
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),
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),
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),
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));
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}
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}
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