animated_digit 3.2.1 animated_digit: ^3.2.1 copied to clipboard
A scroll numbers animation widget, any number that need scroll animation effects and easy to use.
import 'dart:math';
import 'package:animated_digit/animated_digit.dart';
import 'package:flutter/material.dart';
void main() {
WidgetsFlutterBinding.ensureInitialized();
runApp(AnimatedDigitWidgetExample());
}
class AnimatedDigitWidgetExample extends StatefulWidget {
AnimatedDigitWidgetExample({Key? key}) : super(key: key);
@override
_AnimatedDigitWidgetExampleState createState() =>
_AnimatedDigitWidgetExampleState();
}
class _AnimatedDigitWidgetExampleState extends State<AnimatedDigitWidgetExample>
with SingleTickerProviderStateMixin {
AnimatedDigitController _controller = AnimatedDigitController(111.987);
double textscaleFactor = 1.0;
@override
void initState() {
super.initState();
textscaleFactor = MediaQuery.textScaleFactorOf(context);
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
void _add() {
_controller.addValue(Random().nextInt(DateTime.now().year + 1));
}
void _remove() {
_controller.minusValue(Random().nextInt(DateTime.now().year));
}
void _reset() {
_controller.resetValue(0);
}
void updateFontScale() {
setState(() {
textscaleFactor = textscaleFactor == 1.0 ? 1.2 : 1.0;
});
}
void _addDecimal() {
var val = num.parse(Random().nextDouble().toStringAsFixed(2));
_controller.addValue(val);
}
@override
Widget build(BuildContext context) {
return MaterialApp(
showPerformanceOverlay: false,
home: Scaffold(
appBar: AppBar(
title: Text("Animated Digit Widget Example"),
),
body: Center(
child: Column(
children: <Widget>[
SizedBox(height: 80),
ValueListenableBuilder(
valueListenable: _controller,
builder: (BuildContext context, num value, Widget? child) {
return Text(
"current value:$value",
style: TextStyle(
color: Colors.black,
fontSize: 28,
),
);
},
),
SizedBox(height: 80),
AnimatedDigitWidget(
controller: _controller,
),
SizedBox(height: 30),
AnimatedDigitWidget(
controller: _controller,
textStyle: TextStyle(color: Colors.orange, fontSize: 30),
enableSeparator: true,
),
SizedBox(height: 30),
AnimatedDigitWidget(
controller: _controller,
textStyle: TextStyle(color: Colors.pinkAccent, fontSize: 30),
enableSeparator: true,
fractionDigits: 1,
),
SizedBox(height: 30),
AnimatedDigitWidget(
controller: _controller,
textStyle: TextStyle(color: Colors.cyan, fontSize: 30),
curve: Curves.easeOutCubic,
enableSeparator: true,
fractionDigits: 2,
valueColors: [
ValueColor(
condition: () => _controller.value <= 0,
color: Colors.red,
),
ValueColor(
condition: () => _controller.value >= 1999,
color: Colors.orange,
),
ValueColor(
condition: () => _controller.value >= 2999,
color: Color.fromARGB(255, 247, 306, 24),
),
ValueColor(
condition: () => _controller.value >= 3999,
color: Colors.green,
),
ValueColor(
condition: () => _controller.value >= 4999,
color: Colors.cyan,
),
ValueColor(
condition: () => _controller.value >= 5999,
color: Colors.blue,
),
ValueColor(
condition: () => _controller.value >= 6999,
color: Colors.purple,
),
],
),
SizedBox(height: 30),
AnimatedDigitWidget(
controller: _controller,
textStyle: TextStyle(
color: Color.fromARGB(255, 85, 226, 179),
fontSize: 30,
),
fractionDigits: 3,
enableSeparator: true,
separateSymbol: "·",
separateLength: 3,
decimalSeparator: ",",
prefix: "\$",
suffix: "€",
),
SizedBox(height: 30),
Container(
width: 188,
height: 50,
decoration: BoxDecoration(
color: Colors.black,
borderRadius: BorderRadius.circular(50),
),
child: SingleDigitProvider(
data: SingleDigitData(
useTextSize: false,
builder: (size, value, isNumber, child) {
return isNumber ? child : FlutterLogo();
},
),
child: AnimatedDigitWidget(
controller: _controller,
textStyle: TextStyle(color: Colors.pink[300], fontSize: 30),
separateLength: 1,
separateSymbol: "#",
enableSeparator: true,
),
),
),
],
),
),
floatingActionButton: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
FloatingActionButton(
onPressed: _add,
child: Icon(Icons.add),
),
SizedBox(
height: 10,
),
FloatingActionButton(
onPressed: updateFontScale,
child: Icon(Icons.font_download),
),
SizedBox(
height: 10,
),
FloatingActionButton(
onPressed: _reset,
child: Icon(Icons.restart_alt),
),
SizedBox(
height: 10,
),
FloatingActionButton(
onPressed: _remove,
child: Icon(Icons.remove),
),
SizedBox(
height: 10,
),
FloatingActionButton(
onPressed: _addDecimal,
child: Icon(Icons.add_box_outlined),
tooltip: "add decimal",
),
],
),
),
builder: (context, home) {
return MediaQuery(
data:
MediaQuery.of(context).copyWith(textScaleFactor: textscaleFactor),
child: home!,
);
},
);
}
}