Detect which direction a UIScrollView is bouncing

UIScrollView Detect Bounce Direction

-(void)scrollViewDidScroll:(UIScrollView *)scrollView
{    
    float scrollOffsetY = scrollView.contentOffset.y;
 
    if(scrollOffsetY < 0)
    {
        //Pulling down
    }
    else if(scrollOffsetY > scrollView.contentSize.height - scrollView.frame.size.height)
    {
        //Pulling up
    }
}