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

Chapter 4: Range Operators and Loops

In the last chapter, you looked at conditionals, which allow you to do different things based on different conditions, and optionals, which enable you to create variables that may or may not have a value.

In this chapter, you will learn about range operators and loops. Range operators allow you to represent a range of values by specifying the starting and ending values for a range, and you'll learn about the different types of range operators. Loops allow you to repeat an instruction or a sequence of instructions over and over. You can repeat a sequence a fixed number of times, or repeat a sequence until a condition is met. You'll learn about the different types of loops used to accomplish this.

By the end of this chapter, you'll have learned how to use ranges, and how to create and use the different types of loops (for-in, while, and repeat-while).

The following topics will be covered:

  • Exploring range operators
  • ...