Created
July 6, 2020 23:04
-
-
Save peagha/c5a9d08d5fc64397e7624103d3b38acc to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import 'dart:async'; | |
import 'package:flutter/material.dart'; | |
void main() => runApp(MaterialApp( | |
home: Scaffold( | |
appBar: AppBar( | |
title: Text('AnimatedContainer Demo'), | |
), | |
body: Center(child: Highlight(child: Text('123123123122312312'))), | |
))); | |
class Highlight extends StatefulWidget { | |
Highlight({this.child}); | |
final Widget child; | |
@override | |
_HighlightState createState() => _HighlightState(child: child); | |
} | |
class _HighlightState extends State<Highlight> { | |
_HighlightState({this.child}); | |
Color _color = Colors.green; | |
final Widget child; | |
@override | |
void initState() { | |
super.initState(); | |
Timer( | |
const Duration(seconds: 3), | |
() => setState( | |
() { | |
_color = null; | |
}, | |
), | |
); | |
} | |
@override | |
Widget build(BuildContext context) { | |
return AnimatedContainer( | |
child: FlatButton(child: child, onPressed: () {}), | |
// Use the properties stored in the State class. | |
decoration: BoxDecoration( | |
color: _color, | |
), | |
// Define how long the animation should take. | |
duration: Duration(seconds: 1), | |
// Provide an optional curve to make the animation feel smoother. | |
curve: Curves.fastOutSlowIn, | |
); | |
} | |
} | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment