


The book will then help you apply the latest iOS 13 features to existing apps, along with introducing you to SwiftUI, a new way to design UIs. You'll then start building the user interface (UI) of a complete real-world app, using the latest version of Xcode, and also implement the code for views, view controllers, data managers, and other aspects of mobile apps. The book starts with an introduction to the Swift programming language, and how to accomplish common programming tasks with it. This edition is updated and revised to cover the new iOS 13 features along with Xcode 11 and Swift 5. The book offers a comprehensive introduction for programmers who are new to iOS, covering the entire process of learning the Swift language, writing your own apps, and publishing them on the App Store. If you're a beginner and are looking to experiment and work with these features to create your own apps, then this updated fourth edition gets you off to a strong start. IOS 13 comes with features ranging from Dark Mode and Catalyst through to SwiftUI and Sign In with Apple.
