home_screen.dart

class AnimatedScreen extends StatefulWidget {
  @override
  _AnimatedScreenState createState() => _AnimatedScreenState();
}

class _AnimatedScreenState extends State<AnimatedScreen>
    with TickerProviderStateMixin {
  Animation _containerRadiusAnimation,
      _containerSizeAnimation,
      _containerColorAnimation;
  AnimationController _containerAnimationController;
  
    @override
  void initState() {
    super.initState();
    _containerAnimationController = AnimationController(
        vsync: this, duration: Duration(milliseconds: 5000));

    _containerRadiusAnimation = BorderRadiusTween(
            begin: BorderRadius.circular(100.0),
            end: BorderRadius.circular(0.0))
        .animate(CurvedAnimation(
            curve: Curves.ease, parent: _containerAnimationController));

    _containerSizeAnimation = Tween(begin: 0.0, end: 2.0).animate(
        CurvedAnimation(
            curve: Curves.ease, parent: _containerAnimationController));

    _containerColorAnimation =
        ColorTween(begin: Colors.black, end: Colors.white).animate(
            CurvedAnimation(
                curve: Curves.ease, parent: _containerAnimationController));

    _containerAnimationController.forward();
  }
  
  
    @override
  Widget build(BuildContext context) {}
  
  
}