Apple's Swift has far-reaching effects on all platforms, not just iOS, OS X, watchOS and tvOS. Learn why Swift matters, how to use the programming language and how it differs from Objective-C.

Xcode allows you to live preview your iOS views using Xcode Previews, so you can see how the app appears as you're actively developing it. Here's how to use them. Xcode is Apple's development ...

If you have an iPhone or iPad app idea but no idea where to begin, start with these great resources Now is a great time to start programming in the Swift programming language on iOS. But where to ...