How to take a uitextfeild save the data and have the data be displayed in a photo

All i would like to do is have the user be able to enter text in uitextfield that is saved and can appear be printed in a picture in a app. So if the user enters abc the picture will be taken with abc on it. I have done everything else (have a camera take a picture with words on it and have a uitextfield save the text). The just need the text to be displayed in the photo. Thanks

On view controller a there is a uitexfield.

  This is the code of view controller a.
  import UIKit

   class tryingViewController: UIViewController {

   static let fbx2 = "standardText"


  @IBOutlet weak var textext: UITextField!
 let standardText = "standardText"
 override func viewDidLoad() {
 super.viewDidLoad()

// Do any additional setup after loading the view.


textext.addTarget(self, action: #selector(textDidChange), for: .editingChanged)
textext.text = UserDefaults.standard.value(forKey: standardText) as? String
}

func textDidChange(sender: UITextField) {
UserDefaults.standard.set(sender.text ?? "", forKey: standardText)
}
}

Here is the a picture of view controller b.

Here is the code.

 import UIKit
 class Camera:  UIViewController, UIImagePickerControllerDelegate,       UINavigationControllerDelegate, UITextFieldDelegate {
  @IBOutlet weak var cameraScreen: UIImageView!
  var screenView: UIImageView!


  @IBAction func Camera(_ sender: AnyObject) {

if UIImagePickerController.isSourceTypeAvailable(UIImagePickerControllerSourceType.camera){
    let imagePicker = UIImagePickerController()
    imagePicker.delegate = self






    imagePicker.sourceType = UIImagePickerControllerSourceType.camera;
    imagePicker.allowsEditing = false
    self.present(imagePicker, animated: true, completion: nil)}}

        func imagePickerController(_ picker: UIImagePickerController, didFinishPickingImage image: UIImage!, editingInfo: [NSObject: AnyObject]!){
            cameraScreen.image = image
            self.dismiss(animated: true, completion: nil);
            screenView = UIImageView()

            screenView.frame = CGRect(x:0, y: 0, width: self.view.frame.width, height: self.view.frame.height)




                let text = "JAVA"
                let label = UILabel(frame: CGRect(x: 125, y: 400, width: self.view.frame.width, height: 300))
                label.font = UIFont(name: label.font.fontName, size: 122)

                label.textColor = UIColor.blue
                label.alpha = 0.3
                label.text = text



                self.view.addSubview(screenView)
                self.view.addSubview(label)


            UIGraphicsBeginImageContext(self.cameraScreen.frame.size)
            self.view.drawHierarchy(in: self.view.frame, afterScreenUpdates: true)



   }