Bjørn Ruud introduces both UIKit Dynamics as well as how to toss views off-screen with gestures.
This post is a rewrite in Swift and updated for iOS 8.
Jeff Greenberg on JGFlipMenu:
“Flipping menu system written in Swift. Uses @IBDesignable for quick and easy implementation.”
Quick integration, customizable, interesting effect.
Knut Inge Grosland is the author of COBezierTableView, a unique project wherein you define an arc as a BezierPath and your tableview cells follow that same path.
If it’s difficult to visualize, there’s an animated gif on the project page.
Adam DeLong describes how to create a singleton in Swift using NSNumberFormatter. The goal is a quick and efficient way to convert integers to a currency format, such as $99.00
“…initializing an NSNumberFormatter can be an expensive operation, I didn’t want the performance of the app to be affected by this, especially if I was going to be using the same NSNumberFormatter configuration throughout the app. So, I decided to use a singleton.”
Adam includes a screencast as well as text description of the steps.
Inspired by the popular asynchronous image downloader SDWebImage, Wei Wang created Kingfisher:
“A lightweight and pure Swift implemented library for downloading and caching image from the web.”
There are also a few handy customizations: max size/duration, cancel download, background image decompression and using the library as a category of UIImageView.