public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
 {
     if (indexPath.Section == 0) {
         if (indexPath.Row == 0) {
             var vc = new BeaconScanViewController (Demo.Distance);
             NavigationController.PushViewController (vc, true);
         } else if (indexPath.Row == 1) {
             var vc = new BeaconScanViewController (Demo.Proximity);
             NavigationController.PushViewController (vc, true);
         } else if (indexPath.Row == 2) {
             var vc = new BeaconScanViewController (Demo.Notifications);
             NavigationController.PushViewController (vc, true);
         } else if (indexPath.Row == 3) {
             NavigationController.PushViewController(new CloudBeaconsViewController(), true);
         }
     }
 }