odometer 1.0.1 odometer: ^1.0.1 copied to clipboard
Highly customizable widgets used to number transition animation.
import 'package:flutter/material.dart';
import 'package:odometer/odometer.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Odometer Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
visualDensity: VisualDensity.adaptivePlatformDensity,
),
home: MyHomePage(title: 'Odometer Demo Page'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage>
with SingleTickerProviderStateMixin {
int _counter = 10000;
AnimationController animationController;
Animation<OdometerNumber> animation;
void _incrementCounter() {
setState(() {
_counter += 88;
});
}
@override
void initState() {
animationController =
AnimationController(duration: Duration(seconds: 2), vsync: this);
animation = OdometerTween(
begin: OdometerNumber(10000), end: OdometerNumber(12000))
.animate(
CurvedAnimation(curve: Curves.easeIn, parent: animationController));
super.initState();
}
@override
void dispose() {
animationController?.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
AnimatedSlideOdometerNumber(
letterWidth: 20,
odometerNumber: OdometerNumber(_counter),
duration: Duration(seconds: 1),
numberTextStyle: TextStyle(fontSize: 20)),
Padding(
padding: EdgeInsets.only(top: 30),
child: AnimatedSlideOdometerTransition(
letterWidth: 20,
odometerAnimation: animation,
numberTextStyle: TextStyle(fontSize: 20),
),
),
Padding(
padding: EdgeInsets.only(top: 30),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
ElevatedButton(
onPressed: () => animationController.reverse(),
child: Text('Reverse')),
ElevatedButton(
onPressed: () => animationController.forward(),
child: Text('Forward'))
],
),
),
],
),
),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: Icon(Icons.add),
),
);
}
}