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

Using UIKit and SwiftUI Views together

At this point, you have created the Restaurant List screen, and tapping each cell in this screen displays the restaurant's name on a second screen. You'll modify your app to display a Restaurant Detail screen when a cell on the Restaurant List screen is tapped, but before that, you'll create a SwiftUI view that displays a map.

When using storyboards, all you needed to do was to drag in a map view from the Library to a view in the storyboard. SwiftUI does not have a native map view but you can use the same map view that you used in the storyboard to render the map. In fact, you can use any view subclass in SwiftUI by wrapping them in a SwiftUI view that conforms to the UIViewRepresentable protocol. Let's create a custom view that can present a map view now. Follow these steps:

  1. Choose File | New | File to open the template selector.
  2. iOS should already be selected. In the User Interface section, click SwiftUI View...