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  • Book Overview & Buying iOS 26 Programming for Beginners
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iOS 26 Programming for Beginners

iOS 26 Programming for Beginners - Tenth Edition

By : Ahmad Sahar
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iOS 26 Programming for Beginners

iOS 26 Programming for Beginners

3 (1)
By: Ahmad Sahar

Overview of this book

iOS 26 Programming for Beginners returns in its 10th edition, fully updated to reflect Apple’s latest innovations in app development. Perfect for complete newcomers as well as those transitioning from other platforms, this practical guide walks you through every step of building your first iOS app using Swift 6 and Xcode 26. Following a project-based approach, you’ll create a feature-rich journal app while mastering UIKit fundamentals, including storyboards, navigation, data persistence, media integration, and map-based features. Each chapter builds on the last with clear explanations, step-by-step instructions, and real-world examples that reinforce your learning. Along the way, you’ll enhance your app with Apple Intelligence, Apple’s on-device AI platform, to deliver smart, personalized user experiences. You’ll also leverage the elegant Liquid Glass UI design system introduced in iOS 26, to give your app a modern and immersive feel. By the end of this book, you’ll have built and deployed a complete iOS app and gained the essential skills to pursue a career in mobile development.
Table of Contents (35 chapters)
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1
Swift
11
Design
16
Code
26
Features
33
Other Books You May Enjoy
34
Index

Functions and Closures

At this point, you can write reasonably complex programs that can make decisions and repeat instruction sequences. You can also store data for your programs using collection types. As the programs you write grow in size and complexity, it will become harder to comprehend what they are doing.

To make large programs easier to understand, Swift allows you to create functions, which let you combine several instructions and execute them by calling a single name. You can also create closures, which let you combine several instructions without a name and assign them to a constant or variable.

By the end of this chapter, you’ll have learned about functions, nested functions, functions as return types, functions as arguments, and the guard statement. You’ll also have learned how to create and use closures.

The following topics will be covered in this chapter:

  • Functions
  • Closures
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Tech Concepts
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Programming languages
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iOS 26 Programming for Beginners
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