void UpdateMap(bool result) { if (GroupEntries.Count > 0) { // update our list and display SearchResultPrefix.Text = ConnectStrings.GroupFinder_Neighborhood; (ListView.Adapter as GroupArrayAdapter).SetSelectedRow(0); // for the map, ensure it's valid, because Google Play can fail if (Map != null) { Map.Clear( ); MarkerList.Clear( ); Android.Gms.Maps.Model.LatLngBounds.Builder builder = new Android.Gms.Maps.Model.LatLngBounds.Builder(); // add the source position Android.Gms.Maps.Model.MarkerOptions markerOptions = new Android.Gms.Maps.Model.MarkerOptions(); Android.Gms.Maps.Model.LatLng pos = new Android.Gms.Maps.Model.LatLng(SourceLocation.Latitude, SourceLocation.Longitude); markerOptions.SetPosition(pos); markerOptions.InvokeIcon(BitmapDescriptorFactory.DefaultMarker(BitmapDescriptorFactory.HueGreen)); builder.Include(pos); Android.Gms.Maps.Model.Marker marker = Map.AddMarker(markerOptions); MarkerList.Add(marker); for (int i = 0; i < GroupEntries.Count; i++) { // add the positions to the map markerOptions = new Android.Gms.Maps.Model.MarkerOptions(); pos = new Android.Gms.Maps.Model.LatLng(GroupEntries[i].Latitude, GroupEntries[i].Longitude); markerOptions.SetPosition(pos); markerOptions.SetTitle(GroupEntries[i].Name); markerOptions.SetSnippet(string.Format("{0:##.0} {1}", GroupEntries[i].DistanceFromSource, ConnectStrings.GroupFinder_MilesSuffix)); builder.Include(pos); marker = Map.AddMarker(markerOptions); MarkerList.Add(marker); } Android.Gms.Maps.Model.LatLngBounds bounds = builder.Build( ); int paddingInPixels = Math.Min(View.Width, (int)(View.Height * .1f)); CameraUpdate camPos = CameraUpdateFactory.NewLatLngBounds(bounds, paddingInPixels); Map.AnimateCamera(camPos); // show the info window for the first (closest) group MarkerList[1].ShowInfoWindow( ); } } else { if (result == true) { // send the analytic and update our list SearchResultPrefix.Text = ConnectStrings.GroupFinder_NoGroupsFound; SearchResultNeighborhood.Text = string.Empty; (ListView.Adapter as GroupArrayAdapter).SetSelectedRow(-1); // validate the map before using. Google Play can error if (Map != null) { // no groups found, so move the camera to the default position Android.Gms.Maps.Model.LatLng defaultPos = new Android.Gms.Maps.Model.LatLng(ConnectConfig.GroupFinder_DefaultLatitude, ConnectConfig.GroupFinder_DefaultLongitude); CameraUpdate camPos = CameraUpdateFactory.NewLatLngZoom(defaultPos, ConnectConfig.GroupFinder_DefaultScale_Android); Map.AnimateCamera(camPos); } } else { // there was actually an error. Let them know. SearchResultPrefix.Text = ConnectStrings.GroupFinder_NetworkError; SearchResultNeighborhood.Text = string.Empty; } } }