Mastering Xamarin.Forms - Second Edition

Adding DetailViewModel

Next, we will add another ViewModel to serve as the data context for DetailPage, as follows:

1. Create a new class file in the ViewModels folder and name it DetailViewModel.
2. Update the DetailViewModel class to inherit from the BaseViewModel abstract class:

      public class DetailViewModel : BaseViewModel       {          // ...      }

3. Add a TripLogEntry property to the class and name it Entry. This property will be used to bind details about an entry to the various labels on DetailPage:

      public class DetailViewModel : BaseViewModel       {          TripLogEntry _entry;          public TripLogEntry Entry          {              get { return _entry; }              set               {                  _entry = value;                  OnPropertyChanged ();              }          }          // ...      }

4. Update the DetailViewModel constructor to take a TripLogEntry parameter named ...