Book Image

iOS 14 Programming for Beginners - Fifth Edition

By : Ahmad Sahar
Book Image

iOS 14 Programming for Beginners - Fifth Edition

By: Ahmad Sahar

Overview of this book

If you're looking to work and experiment with powerful iOS 14 features such as widgets and App Clips to create your own apps, this iOS programming guide is for you. The book offers a comprehensive introduction for experienced programmers who are new to iOS, taking you through the entire process of learning the Swift language, writing your own apps, and publishing them on the App Store. Fully updated to cover the new iOS 14 features, along with Xcode 12 and Swift 5.3, this fifth edition of iOS 14 Programming for Beginners starts with an introduction to the Swift programming language and shows you how to accomplish common programming tasks with it. You'll then start building the user interface (UI) of a complete real-world app using the storyboards feature in the latest version of Xcode and implement the code for views, view controllers, data managers, and other aspects of mobile apps. The book will also help you apply iOS 14 features to existing apps and introduce you to SwiftUI, a new way to build apps for all Apple devices. Finally, you’ll set up testers for your app and understand what you need to do to publish your app on the App Store. By the end of this book, you'll not only be well versed in writing and publishing applications, but you’ll also be able to apply your iOS development skills to enhance existing apps.
Table of Contents (31 chapters)
Section 1: Swift
Section 2:Design
Section 3:Code
Section 4:Features

Adding annotations to a map view

In Chapter 11, Finishing Up Your User Interface, you added a map view to the Map screen. In the previous sections, you added MapLocations.plist to your project and created the RestaurantItem and MapDataManager classes. Remember the MVC design pattern? At this point, you have created the views and models for the Map screen, so all you need now is the view controller.

The view controller will be responsible for the following tasks:

  • Adding RestaurantItem instances, which conform to the MKAnnotation protocol, to the map view.
  • For RestaurantItem instances within the region displayed in the map view, it will provide MKAnnotationView instances requested by the map view.
  • Providing custom MKAnnotationView instances that display a callout bubble containing a button when tapped, and then presenting the Restaurant Detail screen when the button is tapped.

You'll start by creating the MapViewController class as the view controller for...