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Mastering Xamarin UI Development - Second Edition by Steven F. Daniel

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Updating the TrackMyWalks.iOS AppDelegate

In this section, we need to make changes to the AppDelegate class for our TrackMyWalks.iOS project so that we can initialize our Xamarin.FormsMaps library, otherwise we won't be able to use any of the map features.

The AppDelegate class gets notified whenever the object to which it is connected to reaches certain events or states. In this case, the Application Delegate is an object which receives notifications whenever the UIApplication object reaches certain states. In many respects, it is a specialized one-to-one Observer pattern.

Let's take a look at how we can achieve this by following these steps:

  1. First, expand the TrackMyWalks.iOS solution project that is contained within the TrackMyWalks

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