public void StopNavigation()
 {
     isNavigating = false;
     ClearGraphics();
     CancelNavigation.IsEnabled  = false;
     CancelNavigation.Visibility = Visibility.Hidden;
     fakeLocationProvider.StopAsync();
     _directionsList = null;
     _route          = null;
     _routeResult    = null;
     _tracker.TrackingStatusChanged -= TrackingStatusUpdated;
     DirectionImg.Source             = null;
     DistanceTB        = "0.0";
     DirectionLbl.Text = "";
     TimeTB            = "00:00:00";
 }