cloudsolutions-atoms/lib/animations/number_incremental_animation.dart

import 'package:flutter/material.dart';

class CounterAnimatedText extends ImplicitlyAnimatedWidget {
  final int value;
  final TextStyle? style;

  const CounterAnimatedText({
    super.key,
    super.duration = const Duration(milliseconds: 750),
    required this.value,
    this.style,
  });

  @override
  ImplicitlyAnimatedWidgetState<CounterAnimatedText> createState() => _CounterTextState();
}

class _CounterTextState extends AnimatedWidgetBaseState<CounterAnimatedText> {
  late IntTween _counter;

  @override
  void initState() {
    _counter = IntTween(begin: widget.value, end: widget.value);
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Text('${_counter.evaluate(animation)}', style: widget.style);
  }

  @override
  void forEachTween(TweenVisitor<dynamic> visitor) {
    _counter = visitor(
      _counter,
      widget.value,
      (dynamic value) => IntTween(begin: value),
    ) as IntTween;
  }
}