private void DrawElements()
{
if (((ExtendedMap)Element).MapPositionOption != Data.PositionInfo.PositionOption.Pin)
{
NativeMap.Clear();
_shapeCoordinates = ((ExtendedMap)Element).TempShapeCoordinates;
if (_shapeCoordinates.Count > 0)
{
DrawPolygon();
}
_routeCoordinates = ((ExtendedMap)Element).TempRouteCoordinates;
if (_routeCoordinates.Count > 0)
{
DrawPolyline();
}
}
else
{
_polyline?.Remove();
_polygon?.Remove();
}
}
public void DrawTripOnMap(string Json)
{
// TryCatch to handle any null Object exception.
try
{
mPolyline.Remove();
PickupMarker.Remove();
destinationMarker.Remove();
}
catch (Exception)
{
}
var directionData = JsonConvert.DeserializeObject <DirectionParser>(Json);
for (int i = 0; i < directionData.routes.Count; i++)
{
foreach (var point in RedissuePoints)
{
foreach (var waypoints in PolyUtil.Decode(directionData.routes[i].overview_polyline.points))
{
if (Math.Abs(Convert.ToDouble(waypoints.Latitude) - Convert.ToDouble(point.Latitude)) <= 0.00001 && Math.Abs(Convert.ToDouble(waypoints.Longitude) - Convert.ToDouble(point.Longitude)) <= 0.00001)
{
issueWayPointCount[i] += 1;
}
}
}
}
int routeIndex = issueWayPointCount.ToList().IndexOf(issueWayPointCount.Min());
//Decode Encoded route
var Points = directionData.routes[routeIndex].overview_polyline.points;
//enumerate through this line variable through for loop and
//check for any points that matches for points contained in preloaded issues array
var Line = PolyUtil.Decode(Points);
ArrayList routeList = new ArrayList();
foreach (LatLng item in Line)
{
routeList.Add(item);
}
//Draw Polylines on map
PolylineOptions polylineOptions = new PolylineOptions()
.AddAll(routeList)
.InvokeWidth(10)
.InvokeColor(Color.BlueViolet)
.InvokeStartCap(new SquareCap())
.InvokeEndCap(new RoundCap())
.InvokeJointType(JointType.Round)
.Geodesic(true);
mPolyline = googleMap.AddPolyline(polylineOptions);
//Get first and last point
LatLng firstpoint = Line[0];
LatLng lastpoint = Line[Line.Count - 1];
//Creating Marker Options
MarkerOptions pickupMarkerOptions = new MarkerOptions();
pickupMarkerOptions.SetPosition(firstpoint);
pickupMarkerOptions.SetTitle("Start Location");
BitmapDescriptor bitmapDescPickup = BitmapDescriptorFactory.FromResource(Resource.Drawable.starticon);
pickupMarkerOptions.SetIcon(bitmapDescPickup);
MarkerOptions destinationMarkerOptions = new MarkerOptions();
destinationMarkerOptions.SetPosition(lastpoint);
destinationMarkerOptions.SetTitle("Destination");
BitmapDescriptor bitmapDescDestination = BitmapDescriptorFactory.FromResource(Resource.Drawable.destinationicon);
destinationMarkerOptions.SetIcon(bitmapDescDestination);
PickupMarker = googleMap.AddMarker(pickupMarkerOptions);
destinationMarker = googleMap.AddMarker(destinationMarkerOptions);
//Get Trip bounds
double southlng = directionData.routes[0].bounds.southwest.lng;
double southlat = directionData.routes[0].bounds.southwest.lat;
double northlng = directionData.routes[0].bounds.northeast.lng;
double northlat = directionData.routes[0].bounds.northeast.lat;
LatLng southwest = new LatLng(southlat, southlng);
LatLng northeast = new LatLng(northlat, northlng);
LatLngBounds tripBounds = new LatLngBounds(southwest, northeast);
googleMap.AnimateCamera(CameraUpdateFactory.NewLatLngBounds(tripBounds, 4));
//googleMap.SetPadding(40, 70, 40, 70);
}
