Understanding the difference between Objective C and Swift applications

Swift is a static, strongly typed, high-level programming language that was introduced in 2014. Before Swift, Objective C was primarily the programming language for iOS application development.

For now, you can download the full source code of our Swift application (SecureStorage) or the application package from the following links:

• The GitHub repository (for full source code) of SecureStorage application (the Swift version): https://github.com/0ctac0der/SecureStorage-iOSApp.
• The link to download the application package (the SecureStorage Swift version): https://github.com/0ctac0der/SecureStorage-iOSApp/releases/download/0.1/SecureStorage.ipa.

Let's have a look at how the code looks for the same application (SecureStorage) in Swift and Objective C, respectively:

Figure 5.1 – The Swift code of the SecureStorage app (LoginViewController)

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