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iOS 15 Programming for Beginners

iOS 15 Programming for Beginners

By : Ahmad Sahar, Craig Clayton
4.7 (10)
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iOS 15 Programming for Beginners

iOS 15 Programming for Beginners

4.7 (10)
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)
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1
Part 1: Swift
10
Part 2: Design
15
Part 3: Code
25
Part 4: Features

Introducing conditionals

At times, you'll want to execute different code blocks based on a specific condition, such as in the following scenarios:

  • Choosing between different room types at a hotel. The price for bigger rooms would be higher.
  • Switching between different payment methods at an online store. Different payment methods would have different procedures.
  • Deciding what to order at a fast-food restaurant. Preparation procedures for each food item would be different.

To do this, you would use conditionals. In Swift, this is implemented using the if statement (for a single condition) and the switch statement (for multiple conditions).

Important information

For more information on conditionals, visit https://docs.swift.org/swift-book/LanguageGuide/ControlFlow.html.

Let's see how if statements are used to execute different tasks depending on a condition's value in the next section.

Using if statements

An if statement executes...

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