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iOS 13 Programming for Beginners

You're reading from   iOS 13 Programming for Beginners Get started with building iOS apps with Swift 5 and Xcode 11

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Product type Paperback
Published in Jan 2020
Publisher Packt
ISBN-13 9781838821906
Length 822 pages
Edition 4th Edition
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Authors (2):
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Craig Clayton Craig Clayton
Author Profile Icon Craig Clayton
Craig Clayton
Ahmad Sahar Ahmad Sahar
Author Profile Icon Ahmad Sahar
Ahmad Sahar
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Table of Contents (33) Chapters Close

Preface 1. Section 1: Swift
2. Getting Familiar with Xcode FREE CHAPTER 3. Simple Values and Types 4. Conditionals and Optionals 5. Range Operators and Loops 6. Collection Types 7. Functions and Closures 8. Classes, Structures, and Enumerations 9. Protocols, Extensions, and Error Handling 10. Section 2: Design
11. Setting Up the Basic Structure 12. Building Your App Structure in Storyboard 13. Finishing Up Your App Structure in Storyboard 14. Modifying and Configuring Cells 15. Section 3: Code
16. Getting Started with MVC and Collection Views 17. Getting Data into Collection Views 18. Getting Started with Table Views 19. Getting Started with MapKit 20. Getting Started with JSON Files 21. Displaying Data in a Static Table View 22. Getting Started with Custom UIControls 23. Getting Started with Cameras and Photo Libraries 24. Understanding Core Data 25. Saving and Loading from Core Data 26. Section 4: Features
27. Getting Started with Dark Mode 28. Getting Started with Mac Catalyst 29. Getting Started with SwiftUI 30. Getting Started with Sign In with Apple 31. Testing and Submitting Your App to the App Store 32. Other Books You May Enjoy

Creating LocationDataManager

Like you did in the previous chapter, you will create a data manager class to load the location data from Locations.plist and provide it to LocationsViewController. To create the data manager class, follow these steps:

  1. Right-click the Model folder in the Location folder and select New File.
  2. iOS should already be selected. Choose Swift File and click Next.
  3. Name this file LocationDataManager and click Create.
  4. After the import statement, type in the following to declare the LocationDataManager class:
class LocationDataManager {
}
  1. Inside the curly braces, add the following property to hold the list of locations:
private var locations:[String] = []

The private keyword means that the locations property may only be accessed by methods in this class.

  1. Now, add the following methods after the property declaration:
func fetch() {
for location in loadData...
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