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)
1
Section 1: Swift
10
Section 2:Design
15
Section 3:Code
24
Section 4:Features

Implementing Core Data components for your app

Before you implement Core Data components for your app, let's think about what you need to do to save reviews or photos.

Imagine you're saving a review or photo using Microsoft Word. You first create a new Word document template with the relevant fields for a review or photo. You then create new Word documents based on the templates and fill in the data. You make whatever changes are necessary, perhaps changing the text of the review, or changing the effect you're applying to the photo. At this point, you have not saved the file yet. When you are happy with your document, you save it to the hard disk of your computer. The next time you want to view your review or photo, you search your hard disk for the relevant document and double-click it to open it in Word so you can see it once more.

Now that you have an idea of what you need to do, let's review the steps required to implement it. First, you need to create...