     
     let radioPlayer = FRadioPlayer.shared
     var searchedStations = [RadioStation]()
-    var searchController : UISearchController!
+    var searchController: UISearchController = {
+        return UISearchController(searchResultsController: nil)
+    }()
     
     //*****************************************************************
     // MARK: - ViewDidLoad

}

//*****************************************************************
// MARK: - UISearchControllerDelegate
//*****************************************************************

extension StationsViewController: UISearchResultsUpdating {

    func updateSearchResults(for searchController: UISearchController) {
        guard let searchText = searchController.searchBar.text else { return }

            btn.image = UIImage(named: "btn-nowPlaying")
            self.navigationItem.rightBarButtonItem = btn
        }
    }
    
    //*****************************************************************
