public void OnMapReady (GoogleMap googleMap)
{
googleMap.MoveCamera (CameraUpdateFactory.NewLatLngZoom (NEWARK, 11));
images.Clear ();
images.Add (BitmapDescriptorFactory.FromResource (Resource.Drawable.newark_nj_1922));
images.Add (BitmapDescriptorFactory.FromResource (Resource.Drawable.newark_prudential_sunny));
currentEntry = 0;
groundOverlay = googleMap.AddGroundOverlay (new GroundOverlayOptions ()
.InvokeImage (images [currentEntry])
.Anchor (0, 1)
.Position (NEWARK, 8600f, 6500f));
transparencyBar.ProgressChanged += (sender, e) => {
if (groundOverlay != null)
groundOverlay.Transparency = (float)e.Progress / (float)TRANSPARENCY_MAX;
};
googleMap.SetContentDescription ("Google Map with ground overlay.");
}
