public MapDetailView() { this.WhenActivated(d => { this.WireUpControls(); MapPosition.OnCreate(savedInstanceState); MapPosition.OnResume(); MapsInitializer.Initialize(this); MapPosition.GetMapAsync(this); d(this.WhenAny(v => v.ViewModel.CurrentCoordinates, x => x.Value).Where(v => v != null).Subscribe(center => { LatLng location = new LatLng(center.Latitude, center.Longitude); CameraPosition.Builder builder = CameraPosition.InvokeBuilder(); builder.Target(location); builder.Zoom(18); if (center.Heading > -1) { builder.Bearing((float)center.Heading / 360.0f); } builder.Tilt(65); CameraPosition cameraPosition = builder.Build(); CameraUpdate cameraUpdate = CameraUpdateFactory.NewCameraPosition(cameraPosition); map.MoveCamera(cameraUpdate); MarkerOptions myPosition = new MarkerOptions(); myPosition.SetPosition(location); myPosition.SetTitle("Aqui estamos!"); map.AddMarker(myPosition); })); }); }