By default the iPhone doesn’t rotate to portrait upside down. The following gist allows all orientation on the iPhone:

Futures and Promises are a fantastic abstraction for asynchronous operations which I’ll write about in a future post. In Objective-C I used a version of SHXPromise which worked well for us.

Searching for an equivalent in Swift, I narrowed my choice to:

• Promise Kit
• Future Kit
• Bright Futures
• Bolts

By default the iPhone doesn’t allow popovers. The following gist allows popovers on the iPhone:

The following gist ensures the status bar colour is set to the same as the navigation bar background colour. This matches the behaviour of wrapping the ViewController in a NavigationController.

Some potentially useful Swift libraries: