// Please wrap your scroll view
tableView.frame = yourFrame
let tableViewWrapper = PullToBounceWrapper(scrollView: tableView)

// Please add wrapper view to your view instead of your scroll view.
bodyView.addSubview(tableViewWrapper)

tableViewWrapper.didPullToRefresh = {
    didFinishYourLoading() {
        tableViewWrapper.stopLoadingAnimation()
    }
}

init(
  scrollView: UIScrollView, // this is the only required argument
  bounceDuration: CFTimeInterval = 0.8,
  ballSize:CGFloat = 36,
  ballMoveTimingFunc: CAMediaTimingFunction = CAMediaTimingFunction(controlPoints:0.49,0.13,0.29,1.61),
  moveUpDuration: CFTimeInterval = 0.25,
  pullDistance: CGFloat = 96,
  bendDistance: CGFloat = 40,
  didPullToRefresh: (()->())? = nil
)