public NavigationService(NavigationDataBag navigationDataBag, INavigationRouteService navigationRouteService, MvvmApp mvvmApp)
{
this.navigationDataBag = navigationDataBag;
this.navigationRouteService = navigationRouteService;
this.mvvmApp = mvvmApp;
this.mvvmApp.FormsApplication.PropertyChanged += FormsApplication_PropertyChanged;
if (this.mvvmApp.FormsApplication.MainPage != null)
{
this.OnMainPageChanged();
}
}
public static IServiceCollection AddMvvmServices(this IServiceCollection serviceDescriptors, MvvmApp mvvmApp)
{
serviceDescriptors.AddSingleton(mvvmApp);
serviceDescriptors.AddSingleton <MvvmEngine>();
serviceDescriptors.AddSingleton <INavigationService, NavigationService>();
serviceDescriptors.AddSingleton <INavigationRouteService, NavigationRouteService>();
serviceDescriptors.AddSingleton <NavigationDataBag>();
serviceDescriptors.AddSingleton <IMessagingCenter>(MessagingCenter.Instance);
// Register event service as all its public interfaces
serviceDescriptors.AddSingleton <EventService>();
serviceDescriptors.AddSingleton <IEventConsumer>(svc => svc.GetRequiredService <EventService>());
serviceDescriptors.AddSingleton <IEventProducer>(svc => svc.GetRequiredService <EventService>());
return(serviceDescriptors);
}