如何将UI ImageView从一个视图控制器传递到另一个？ 迅捷3

Question

I am trying to pass this UI Image View from one view controller to another on the same storyboard. I have already passed a UI TextField to a UI Label and UI Button. Now I need to do it with a UI Image View.

Here are my two view controllers.

import UIKit

class PhotoShareViewController: UIViewController {

    @IBOutlet weak var imageView: UIImageView!
    @IBOutlet weak var contentTextView: UITextView!

    @IBOutlet weak var thatTextField: UITextField!
    @IBOutlet weak var thisTextField: UITextField!
    var presenter: PhotoShareModuleInterface!
    var image: UIImage!


    @IBAction func thisUploadPhoto(_ sender: Any) {

        if thisTextField.text != "" && thatTextField.text != ""
        {
            performSegue(withIdentifier: "segue", sender: nil)
        }
    }


    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {


        var photoShareLabelViewController = segue.destination as! PhotoShareLabelViewController


        photoShareLabelViewController.thisString = thisTextField.text!

        photoShareLabelViewController.thatString = thatTextField.text!

    }

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)

        imageView.image = image
    }

    override var prefersStatusBarHidden: Bool {
        return true
    }

    @IBAction func didTapCancel(_ sender: AnyObject) {
        presenter.cancel()
        presenter.pop()
    }

 /*   @IBAction func didTapDone(_ sender: AnyObject) {
        guard let message = thatTextField.text, !message.isEmpty else {
            return
        }
        guard let messageOne = thisTextField.text, !messageOne.isEmpty else {
            return
        }



        presenter.finish(with: image, content:message)
        presenter.dismiss()
    }
}
 */
}

extension PhotoShareViewController: PhotoShareViewInterface {

    var controller: UIViewController? {
        return self
    }
}

if someone could tell me how to send the image from one view controller into another that would be awesome!

Answer 1

You didn't show PhotoShareLabelViewController , but presumably it has:

var thisString: String?

Add

var thisImage: UIImage?

And then pass it along the same way as thisString

photoShareLabelViewController.thisImage = imageView.image

And pick it up in the viewDidLoad of PhotoShareLabelViewController (which is probably where you pick up thisString ). Something like:

self.imageView.image = self.thisImage

But, using whatever variable name you are using.

In short, just copy what you are doing for thisString , but use a UIImage as the type instead of String .

NOTE: You are not passing a UIImageView from one VC to another (that is impossible). You are passing the image from an imageview from one VC to another.