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AnimatedCrossFade Widget in Flutter

This Article is posted by seven.srikanth at 14-03-2019 05:39:05


In this article, I'm going to share an example of AnimatedCorssFade Widget in Flutter. 
Here is how the final output is going to look.
Below is the full code of this example from main.dart file. In order to run this project locally, all you need to do is create a project and copy paste the below code in Lib\main.dart file.
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
final title = 'AnimatedCrossFade example';
@override
Widget build(BuildContext context) {
return MaterialApp(
title: title,
home: MyHomePage(title: title,),
);
}
}
class MyHomePage extends StatefulWidget {
final String title;
const MyHomePage({Key key, this.title}) : super(key: key);
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
bool _first = true;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: AnimatedCrossFade(
duration: const Duration(seconds: 1),
firstChild: const FlutterLogo(style: FlutterLogoStyle.horizontal, size: 100.0),
secondChild: const FlutterLogo(style: FlutterLogoStyle.stacked, size: 100.0),
crossFadeState: _first ? CrossFadeState.showFirst : CrossFadeState.showSecond,
)
),
floatingActionButton: FloatingActionButton(
child: Icon(Icons.transform),
onPressed: () {
setState(() {
_first = !_first;
});
}
),
);
}
}
Hope this example will be useful to you.
Thanks,
Srikanth
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Except as otherwise noted, this work is licensed under a Creative Commons Attribution 4.0 International License , and code samples are licensed under the BSD License.