getScrollAbleDy method

double getScrollAbleDy()

Implementation

double getScrollAbleDy() {
  RenderObject renderObject = _scrollable!.context.findRenderObject()!;

  if (!renderObject.attached) {
    return 0;
  }
  try {
    return localToGlobal(Offset.zero, ancestor: renderObject).dy;
  } catch (e) {
    return 0;
  }
}