updateAnimation method

void updateAnimation()

Implementation

void updateAnimation() {
  if (hasClients) {
    final ScrollPosition position = positions.first;
    if (position is SheetPosition) {
      WidgetsBinding.instance.addPostFrameCallback((_) {
        _animation.parent = position.animation;
      });

      return;
    }
  }
  WidgetsBinding.instance.addPostFrameCallback((_) {
    _animation.parent = kAlwaysDismissedAnimation;
  });
  return;
}