Attempting to use photo Library on UICollectionViewCell Class

Question

So right now I am trying to get the collection view Cells to use the photo library to update photos. Here is my code:

import UIKit

class viewCellVC: UICollectionViewCell, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
@IBOutlet var bookImage: UIImageView!
@IBAction func addImage(_ sender: Any) {
    let imagePicker = UIImagePickerController()
    imagePicker.delegate = self
    imagePicker.sourceType = UIImagePickerControllerSourceType.photoLibrary
    imagePicker.allowsEditing = false
    self.window?.rootViewController?.present(imagePicker, animated: true, completion: nil)
}

func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
    picker.dismiss(animated: true, completion: nil)
}

func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
    let image = info[UIImagePickerControllerOriginalImage] as! UIImage
    bookImage.image = image
    picker.dismiss(animated: true, completion: nil)
}


}

However, when I attempt to run the code and update the pictures, the simulator fails to open the photo library and I instead get the following error message(doesn't end the app, just fails to run the photo library):

2017-08-07 21:35:31.709183-0500 ChuBookElf[2817:66569] Warning: Attempt to present <UIImagePickerController: 0x7f907e0bf800> on <ChuBookElf.ViewController: 0x7f907de072c0> whose view is not in the window hierarchy!

Can somebody tell my what I am doing wrong? I've been on this for hours now.

For Reference, here is what the collection view cell looks like

Answer 1

For starters, you are creating the imagePicker in a UICollectionViewCell.

You should create the imagePicker in the ViewController that contains the said UICollectionView along with the delegate methods. Then, in didFinishPickingMediaWithInfo, set the selected image to the appropriate collectionViewCell and reload your collectionView