animated_check
AnimatedCheck is a Flutter package with a simple implementation of an animated checkmark icon.

Installation
Add this to your pubspec.yaml:
dependencies:
    animated_check: ^1.0.0
Usage
Import
import 'package:animated_check/animated_check.dart';
Simple Implementation
_controller = AnimationController(vsync: this, duration: const Duration(seconds: 1));
Animation _animation = Tween<double>(begin: 0, end: 1)
  .animate(CurvedAnimation(
    parent: _animationController,
    curve: Curves.easeInOutCirc)
  );
void _showCheck() {
  _controller.forward();
}
void _resetCheck() {
  _controller.reverse();
}
AnimatedCheck(
  progress: _animation,
  size: 200,
)
Contributions
All contributions are welcome!