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.");
}
private void PositionPolarBearGroundOverlay(LatLng position)
{
if (_polarBearOverlay == null)
{
BitmapDescriptor image = BitmapDescriptorFactory.FromResource(Resource.Drawable.polarbear);
GroundOverlayOptions groundOverlayOptions = new GroundOverlayOptions()
.Position(position, 150, 200)
.InvokeImage(image);
_polarBearOverlay = _map.AddGroundOverlay(groundOverlayOptions);
PolygonOptions rectOptions = new PolygonOptions();
rectOptions.Add(position);
rectOptions.Add(new LatLng(37.45, -122.0));
rectOptions.Add(new LatLng(37.45, -122.2));
rectOptions.Add(new LatLng(37.35, -122.2));
// notice we don't need to close off the polygon
_map.AddPolygon(rectOptions);
}
else
{
_polarBearOverlay.Position = InMaui;
}
}
private void PositionPolarBearGroundOverlay(LatLng position)
{
if (_polarBearOverlay == null)
{
var image = BitmapDescriptorFactory.FromResource(Resource.Drawable.polarbear);
var groundOverlayOptions = new GroundOverlayOptions()
.Position(position, 150, 200)
.InvokeImage(image);
_polarBearOverlay = _map.AddGroundOverlay(groundOverlayOptions);
}
else
{
_polarBearOverlay.Position = InMaui;
}
}
private void PositionChicagoGroundOverlay(LatLng position)
{
if (_chicagoOverlay == null)
{
BitmapDescriptor image = BitmapDescriptorFactory.FromResource(Resource.Drawable.monkey);
GroundOverlayOptions groundOverlayOptions = new GroundOverlayOptions()
.Position(position, 150000, 200000)
.InvokeImage(image);
_chicagoOverlay = _map.AddGroundOverlay(groundOverlayOptions);
}
else
{
_chicagoOverlay.Position = Location_Chicago;
}
}
