Book Image

iOS 15 Programming for Beginners - Sixth Edition

By : Ahmad Sahar, Craig Clayton
5 (1)
Book Image

iOS 15 Programming for Beginners - Sixth Edition

5 (1)
By: Ahmad Sahar, Craig Clayton

Overview of this book

With almost 2 million apps on the App Store, iOS mobile apps continue to be incredibly popular. Anyone can reach millions of customers around the world by publishing their apps on the App Store. iOS 15 Programming for Beginners is a comprehensive introduction for those who are new to iOS. It covers the entire process of learning the Swift language, writing your own app, and publishing it on the App Store. Complete with hands-on tutorials, projects, and self-assessment questions, this easy-to-follow guide will help you get well-versed with the Swift language to build your apps and introduce exciting new technologies that you can incorporate into your apps. You'll learn how to publish iOS apps and work with Mac Catalyst, SharePlay, SwiftUI, Swift concurrency, and much more. By the end of this iOS development book, you'll have the knowledge and skills to write and publish interesting apps, and more importantly, to use the online resources available to enhance your app development journey.
Table of Contents (32 chapters)
1
Part 1: Swift
10
Part 2: Design
15
Part 3: Code
25
Part 4: Features

Creating a SwiftUI Xcode project

A SwiftUI Xcode project is created in the same way as a regular Xcode project, but you configure it to use SwiftUI instead of storyboards. As you will see, the user interface is generated entirely in code, and you'll be able to see changes in the user interface immediately as you modify your code.

Important Information

You can watch a video of Apple's SwiftUI presentation from WWDC 2020 at https://developer.apple.com/videos/play/wwdc2020/10119.

You can watch a video showing what's new in SwiftUI from WWDC 2021 at https://developer.apple.com/videos/play/wwdc2021/10018/.

Apple's official SwiftUI documentation can be found online at https://developer.apple.com/xcode/swiftui/.

Let's begin by creating a new SwiftUI Xcode project. Follow these steps:

  1. Create a new Xcode project.
  2. Click iOS. Select the App template, and then click Next:

Figure 23.1: Project template screen with iOS...