void CenterOnUsersLocation(object sender, EventArgs e)
{
if (NativeMapView.UserLocation.Location != null)
{
CLLocationCoordinate2D coords = NativeMapView.UserLocation.Coordinate;
MKCoordinateRegion region = MKCoordinateRegion.FromDistance(coords, 2000, 2000);
NativeMapView.SetRegion(region, true);
}
else
{
centerOnUserRequested = true;
}
}
void CalculateRouteDetails(bool zoomMapToShowFullRoute = true, bool requestAlternateRoutes = true, MKDirectionsTransportType transportType = MKDirectionsTransportType.Automobile)
{
MKDirectionsRequest directionRequest = new MKDirectionsRequest();
directionRequest.Source = sourceMapItem;
directionRequest.Destination = destinationMapItem;
directionRequest.RequestsAlternateRoutes = requestAlternateRoutes;
directionRequest.TransportType = transportType;
MKDirections eta = new MKDirections(directionRequest);
eta.CalculateETA((MKETAResponse response, Foundation.NSError error) =>
{
if (error != null)
{
System.Diagnostics.Debug.WriteLine(error.Description);
}
else
{
TimeSpan time = TimeSpan.FromSeconds(response.ExpectedTravelTime);
System.Diagnostics.Debug.WriteLine(time.ToString(@"hh\:mm\:ss\:fff"));
}
});
MKDirections directions = new MKDirections(directionRequest);
directions.CalculateDirections((MKDirectionsResponse response, Foundation.NSError error) =>
{
if (error != null)
{
System.Diagnostics.Debug.WriteLine(error.Description);
}
else
{
//remove previous route overlays
ClearOverlays();
currentRouteOverlay = response.Routes[0].Polyline;
MKRoute route;
//loop through backwards so first most route is renderered on top
for (int i = response.Routes.Length - 1; i >= 0; i--)
{
route = response.Routes[i];
//save overlay so it can be removed later if requested
overlaysList.Add(route.Polyline);
NativeMapView.AddOverlay(route.Polyline, MKOverlayLevel.AboveRoads);
if (i == 0)
{
if (zoomMapToShowFullRoute)
{
MKMapRect rect = route.Polyline.BoundingMapRect;
MKMapRect expandedRect = NativeMapView.MapRectThatFits(rect, new UIEdgeInsets(20, 20, 20, 20));
NativeMapView.SetRegion(MKCoordinateRegion.FromMapRect(expandedRect), true);
}
}
}
}
});
}