animated_rotation_button_extends_implicit_animated_widget.dart

class AnimatedRotationButton extends ImplicitlyAnimatedWidget {
  final Widget child;
  final double angle;
  final Function onPressed;

  const AnimatedRotationButton({
    Key key,
    this.child,
    this.angle,
    this.onPressed,
  }) : super(
          key: key,
          duration: const Duration(
            milliseconds: 300,
          ),
        );

  @override
  ImplicitlyAnimatedWidgetState createState() => _AnimatedRotationButtonState();
}