optimised_animated_digits 0.0.5+3 optimised_animated_digits: ^0.0.5+3 copied to clipboard
A widget that allows you to animate digits change of any number without compromising number precision and application performance.
import 'dart:math';
import 'package:advanced_value_notifier/advanced_value_notifier.dart';
import 'package:flutter/material.dart';
import 'package:optimised_animated_digits/optimised_animated_digits.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return const MaterialApp(
home: MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key});
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
TransformerHistoryValueNotifier<num, List<String>> valueNotifier =
TransformerHistoryValueNotifier(
value: 0.0,
transformer: generateDigits,
);
Random random = Random();
double openPrice = 500;
@override
void dispose() {
valueNotifier.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: OptimisedAnimatedDigit(
milliseconds: 100,
valueNotifier: valueNotifier,
positiveColor: Colors.green,
negativeColor: Colors.red,
neutralColor: Colors.black,
textStyle: const TextStyle(fontSize: 20),
decimal: const FlutterLogo(),
digitsSeparator: const Text('\$'),
),
),
floatingActionButton: FloatingActionButton.extended(
onPressed: () {
double value = openPrice = openPrice +
(random.nextBool() ? random.nextDouble() : -random.nextDouble());
valueNotifier.value = value;
},
label: const Text('Generate'),
),
);
}
}