     private func removeButtonView() -> Bool {
         if let buttonView = self.buttonView? {
             buttonView.removeFromSuperview()
+            self.addGesture()
             return true
         }
         return false

                switch command {
                    case .A, .B:
                        self.buttonView = self.createButtonView()
                    case .Up, .Down, .Left, .Right:
                        break
                }


    private let commandManager = SASecretCommandManager()
    private var buttonView: SASecreatCommandButtonView!
    private var upGesture: UISwipeGestureRecognizer!
    private var downGesture: UISwipeGestureRecognizer!
    private var leftGesture: UISwipeGestureRecognizer!
    private var rightGesture: UISwipeGestureRecognizer!
    
    public override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
        self.commandManager.delegate = self
        self.addGesture()
    }

    public override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    private func addGesture() {
        self.upGesture = UISwipeGestureRecognizer(target: self, action: "detectSwipeGesture:")
        self.upGesture.direction = .Up
        self.view.addGestureRecognizer(self.upGesture)
        
        self.downGesture = UISwipeGestureRecognizer(target: self, action: "detectSwipeGesture:")
        self.downGesture.direction = .Down
        self.view.addGestureRecognizer(self.downGesture)
        
        self.rightGesture = UISwipeGestureRecognizer(target: self, action: "detectSwipeGesture:")
        self.rightGesture.direction = .Right
        self.view.addGestureRecognizer(self.rightGesture)
        
        self.leftGesture = UISwipeGestureRecognizer(target: self, action: "detectSwipeGesture:")
        self.leftGesture.direction = .Left
        self.view.addGestureRecognizer(self.leftGesture)
    }
    
    private func removeGesture() {
        self.view.removeGestureRecognizer(self.upGesture)
        self.view.removeGestureRecognizer(self.downGesture)
        self.view.removeGestureRecognizer(self.leftGesture)
        self.view.removeGestureRecognizer(self.rightGesture)
    }
    
    private func createButtonView() -> SASecreatCommandButtonView {
