         textBox.addTarget(self, action: #selector(CardFormViewController.editingChanged(_:)), for: UIControlEvents.editingChanged)
         setupInputAccessoryView()
         textBox.delegate = self
-        textBox.placeholder = "Número de tarjeta".localized
         cardFront = CardFrontView()
         cardBack = CardBackView()
 

        textBox.keyboardType = UIKeyboardType.numberPad
        textBox.becomeFirstResponder()
        textBox.text = textEditMaskFormater.textMasked(cardNumberLabel!.text?.trimSpaces())
        textBox.placeholder = "Número de tarjeta".localized
        self.trackStatus()
    }
    fileprivate func prepareNameLabelForEdit() {


        view.setNeedsUpdateConstraints()
        cardView.addSubview(cardFront!)
        textBox.placeholder = getTextboxPlaceholder()
    }
    func keyboardWillShow(notification: Notification) {
        if let keyboardSize = (notification.userInfo?[UIKeyboardFrameEndUserInfoKey] as? NSValue)?.cgRectValue {
