Creating and implementing the CustomMapRenderer (iOS)

In this section, we will begin by creating the CustomMapRenderer class for the iOS section of our TrackMyWalks solution, which will essentially contain various instance methods that will be used by our LocationService class. The advantage of creating a CustomMapRenderer class is that it's much easier to add additional class instance methods that will be used by those ViewModels that utilize this interface.

Let's start by creating the CustomMapRenderer class for our TrackMyWalks app by performing the following steps:

1. Ensure that the TrackMyWalks solution is open within the Visual Studio for Mac IDE.
2. Next, right-click on the TrackMyWalks.iOS project and choose Add|New Folder from the pop-up menu. Then, enter CustomRenderers for the name of the new folder to be created.
3. Afterwards, right-click on the CustomRenderers...