PullToBounce

Animated "Pull To Refresh" Library for UIScrollView.

You can add animated "pull to refresh" action to your UIScrollView, UITableView and UICollectionView.

Inspired by https://dribbble.com/shots/1797373-Pull-Down-To-Refresh

ScreenShot

You can play demo at appetize.io.

Installation

You can install this to your project via CocoaPods.

pod 'PullToBounce'

Usage

Please Wrap your scroll view

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

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

The color will be same as your scrollView's background color.

Event Handler

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

Custom Animation

Default arguments of "init" of PullToBounceWrapper

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
)

You can use these arguments to customize animation.

jackleonard/PullToBounce