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

Implementing a data manager class to read data from a .plist file

You have added a .plist file, ExploreData.plist, to your project containing the cuisine data, and you have created a structure, ExploreItem, that can store details of each cuisine. Now, you need to create a new class, ExploreDataManager, that can read the data in the .plist file and store it in an array of ExploreItem instances. You'll refer to this class as a data manager class. Follow these steps:

  1. Right-click on the Model folder and select New File.
  2. iOS should already be selected. Choose Swift File, then click Next.
  3. Name the file ExploreDataManager.swift, and then click Create. Click the file to display its contents in the Editor area.
  4. Type the following code in the file to declare the ExploreDataManager class:
    class ExploreDataManager {
  5. Type in the following code between the curly braces. This implements a method, loadData(), which will read the contents of the ExploreData.plist file...