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iOS 14 Programming for Beginners

You're reading from   iOS 14 Programming for Beginners Get started with building iOS apps with Swift 5.3 and Xcode 12

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Product type Paperback
Published in Nov 2020
Publisher Packt
ISBN-13 9781800209749
Length 766 pages
Edition 5th Edition
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Author (1):
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Ahmad Sahar Ahmad Sahar
Author Profile Icon Ahmad Sahar
Ahmad Sahar
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Table of Contents (31) Chapters Close

Preface 1. Section 1: Swift
2. Chapter 1: Getting Familiar with Xcode FREE CHAPTER 3. Chapter 2: Simple Values and Types 4. Chapter 3: Conditionals and Optionals 5. Chapter 4: Range Operators and Loops 6. Chapter 5: Collection Types 7. Chapter 6: Functions and Closures 8. Chapter 7: Classes, Structures, and Enumerations 9. Chapter 8: Protocols, Extensions, and Error Handling 10. Section 2:Design
11. Chapter 9: Setting Up the User Interface 12. Chapter 10: Building Your User Interface 13. Chapter 11: Finishing Up Your User Interface 14. Chapter 12: Modifying and Configuring Cells 15. Section 3:Code
16. Chapter 13: Getting Started with MVC and Collection Views 17. Chapter 14: Getting Data into Collection Views 18. Chapter 16: Getting Started with MapKit 19. Chapter 17: Getting Started with JSON Files 20. Chapter 18: Displaying Data in a Static Table View 21. Chapter 19: Getting Started with Custom UIControls 22. Chapter 20: Getting Started with Cameras and Photo Libraries 23. Chapter 21: Understanding Core Data 24. Section 4:Features
25. Chapter 22: Getting Started with Apple Silicon Macs 26. Chapter 23: Getting Started with SwiftUI 27. Chapter 24: Getting Started with Widgets 28. Chapter 25: Getting Started with App Clips 29. Chapter 26: Testing and Submitting Your App to the App Store 30. Other Books You May Enjoy

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
  • ...
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