Creating the LocationDataManager class

Like what you've done in the previous chapter, you'll create a data manager class to load the location data from Locations.plist and provide it to the LocationsViewController instance for the Locations screen. The data will then be used to populate the table view in the Locations screen. 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 then click Next.
3. Name this file LocationDataManager and click Create.
4. Click on LocationDataManager.swift in the Project navigator and, after the import statement, type in the following to declare the LocationDataManager class:

   class LocationDataManager {
   }

5. Inside the curly braces, add an array property, locations, 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.

6. Add...