import 'package:flutter/material.dart';
import 'finger_painter.dart';
class Finger extends StatefulWidget {
  @override
  _FingerState createState() => _FingerState();
}

class _FingerState extends State<Finger> with SingleTickerProviderStateMixin {
  double _fraction = 0.0;
  Animation<double> animation;
  int animationDuration = 10000;

  @override
  void initState() {
    super.initState();
    var controller = AnimationController(
      duration: Duration(milliseconds: animationDuration), vsync: this);
    animation = Tween(begin: 0.0, end: 1.0).animate(controller)
      ..addListener((){
        setState(() {
          //print(animation.value);
          _fraction = animation.value;
        });
        print(animation.value);
      });
    controller.forward();
  }



  @override
  Widget build(BuildContext context) {
    return CustomPaint(painter: FingerPainter(_fraction));
  }
}