     
     open override func viewDidDisappear(_ animated: Bool) {
         super.viewDidDisappear(animated)
-        //self.hideLoading()
     }
     
     public func invokeCallbackWithPaymentData(rowCallback : ((PaymentData) -> Void)) {

    open override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        
        //self.showLoading()
        
        self.checkoutTable.tableHeaderView = UIView(frame: CGRect(x: 0.0, y: 0.0, width: self.checkoutTable.bounds.size.width, height: 0.01))
        
        if !self.viewModel.isPreferenceLoaded() {

        self.hideNavBar()
        self.hideBackButton()
        self.hideTimer()
        self.callbackConfirm(self.viewModel.paymentData)
    }
 
