         nameTextField.font = UIFont.systemFont(ofSize: 18)
         nameTextField.autocorrectionType = .no
         nameTextField.addTarget(self, action: #selector(ChainConfigurationViewController.nameTextFieldValueChanged), for: UIControlEvents.editingChanged)
+        nameTextField.delegate = self
         nameContainer.addSubview(nameTextField)
 
         // chain start date label

import UIKit
import Neon

class ChainConfigurationViewController: UIViewController, HSBColorPickerDelegate {
    
    // view model
    var chainConfigurationViewModel: ChainConfigurationViewModel?

        dismissButton.addTarget(self, action: #selector(ChainConfigurationViewController.dismissButtonClicked), for: UIControlEvents.touchUpInside)
        containerView.addSubview(dismissButton)
        
        let tap = UITapGestureRecognizer(target: self, action: #selector(ChainConfigurationViewController.dismissKeyboard))
        tap.cancelsTouchesInView = false
        view.addGestureRecognizer(tap)
        
        self.refresh()
    }

    func dismissKeyboard() {
        view.endEditing(true)
    }
    
    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        dismissKeyboard()
        return true
    }
    
    // delegate callback from the color picker
    func HSBColorColorPickerTouched(sender:HSBColorPicker, color:UIColor, point:CGPoint, state:UIGestureRecognizerState) {
        if isValidColor(color: color) {
