void AddPolygons (IList polygons)
{
var map = NativeMap;
if (map == null)
return;
if (_polygons == null)
_polygons = new List<APolygon> ();
_polygons.AddRange (polygons.Cast<Polygon> ().Select (polygon => {
var opts = new PolygonOptions ();
foreach (var p in polygon.Positions)
opts.Add (new LatLng (p.Latitude, p.Longitude));
opts.InvokeStrokeWidth(polygon.StrokeWidth * _scaledDensity); // TODO: convert from px to pt. Is this collect? (looks like same iOS Maps)
opts.InvokeStrokeColor(polygon.StrokeColor.ToAndroid());
opts.InvokeFillColor(polygon.FillColor.ToAndroid());
opts.Clickable (polygon.IsClickable);
var nativePolygon = map.AddPolygon(opts);
// associate pin with marker for later lookup in event handlers
polygon.Id = nativePolygon;
return nativePolygon;
}));
}