void AddPolyline1()
{
var existingPolyline = mMapView.FindPolylineByTag(1000);
if (existingPolyline != null)
{
mMapView.RemovePolyline(existingPolyline);
}
var polyline1 = new MapPolyline();
polyline1.Tag = 1000;
polyline1.LineColor = Color.Argb(128, 255, 51, 0);
polyline1.AddPoint(MapPoint.MapPointWithGeoCoord(37.537229, 127.005515));
polyline1.AddPoint(MapPoint.MapPointWithGeoCoord(37.545024, 127.03923));
polyline1.AddPoint(MapPoint.MapPointWithGeoCoord(37.527896, 127.036245));
polyline1.AddPoint(MapPoint.MapPointWithGeoCoord(37.541889, 127.095388));
mMapView.AddPolyline(polyline1);
var mapPointBounds = new MapPointBounds(polyline1.GetMapPoints());
int padding = 100; // px
mMapView.MoveCamera(CameraUpdateFactory.NewMapPointBounds(mapPointBounds, padding));
}