Article - Using Objective-C and Swift together in iOS Apps

As an addendum to my previous article about the role of Swift in iOS app development, we now take a look at how Swift and Objective-C can be used together in iOS apps. Despite Apple’s intention to replace the Objective-C language using Swift, it is not practical in the short term simply due to the fact that developers are deeply entrenched in Objective-C. Rather than force Swift down the developer’s throat, Apple has made it easy to allow Objective-C to interoperate with Swift. In this article, I run through a couple of simple examples to illustrate first how you can use Swift within an Objective-C project, and then how to include Objective-C within a Swift project.

Read the article here.