Swift 4.2 imagePickerController issue

Question

Trying to pass chat client from swift 4 to swift 4.2 and with picker i found trouble.

UIImagePickerControllerEditedImage Cannot subscript a value of type '[String : Any]' with an index of type 'UIImagePickerController.InfoKey'

func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {

    if let pickedImage = info[UIImagePickerControllerEditedImage] as? UIImage {
        self.userProfileImage.contentMode = .scaleAspectFit
        self.userProfileImage.image = pickedImage
    }

    picker.dismiss(animated: true, completion: nil)
}

Ashley Mills · Accepted Answer · 2018-10-13T14:47:44.443

The method signature has changed to

func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any])

You should see a warning message for the func name

Instance method 'imagePickerController(:didFinishPickingMediaWithInfo:)' nearly matches optional requirement 'imagePickerController(:didFinishPickingMediaWithInfo:)' of protocol 'UIImagePickerControllerDelegate'

Candidate has non-matching type '(UIImagePickerController, [String : Any]) -> ()'

Move 'imagePickerController(_:didFinishPickingMediaWithInfo:)' to another extension to silence this warning

Make 'imagePickerController(_:didFinishPickingMediaWithInfo:)' private to silence this warning

Requirement 'imagePickerController(_:didFinishPickingMediaWithInfo:)' declared here (UIKit.UIImagePickerControllerDelegate)

and -> let image = info[.editedImage] as? UIImage – Álvaro Agüero Jan 08 '19 at 20:29 — Álvaro Agüero, Jan 08 '19 at 20:29

Purnendu roy · Answer 2 · 2018-11-01T13:42:22.417

10

In Swift 4.2 imagePickerController delegate methods has changed a bit. Kindly check out the below code.

func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {

    var selectedImage: UIImage?
    if let editedImage = info[.editedImage] as? UIImage {
        selectedImage = editedImage
        self.profileImage.image = selectedImage!
        picker.dismiss(animated: true, completion: nil)
    } else if let originalImage = info[.originalImage] as? UIImage {
        selectedImage = originalImage
        self.profileImage.image = selectedImage!
        picker.dismiss(animated: true, completion: nil)
    }

}

This will work for sure.

edited Nov 01 '18 at 13:42

answered Nov 01 '18 at 13:17

Purnendu roy

818
8
15

1

I would move self.profileImage.image = selectedImage! picker.dismiss(animated: true, completion: nil) outside of 'if/else' statement. – Paragon Dec 26 '18 at 18:19
@Paragon yes you can "picker.dismiss(animated: true, completion: nil)" put this out of the condition. Thanks – Purnendu roy Dec 30 '18 at 07:55

score 7 · Answer 3 · edited Sep 05 '19 at 15:44

7

like this

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

edited Sep 05 '19 at 15:44

Rob

415,655
72
787
1,044

answered Oct 09 '18 at 13:09

yaoning

121
4

score 3 · Answer 4 · answered Mar 09 '19 at 06:18

Swift4.2

 //MARK:- ImagePicker Controller Delegate
 //MARK:-

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

func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
    if let chosenImage = info[.originalImage] as? UIImage {
        yourimage.contentMode = .scaleAspectFill
        yourimage.image = chosenImage

    } else{
        print("Something went wrong")
    }
}

score 2 · Answer 5 · edited Apr 16 '19 at 15:20

2

func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {

        if let pickedImage = info[UIImagePickerController.InfoKey.editedImage] as? UIImage {
            yourImage.image = pickedImage
        }else{
            print("Something went wrong!!")
        }
    }

edited Apr 16 '19 at 15:20

Saurabh

745
1
9
33

answered Apr 16 '19 at 09:06

SCS

435
3
12

score 0 · Answer 6 · edited Apr 16 '19 at 12:49

0

extension CameraViewController: UIImagePickerControllerDelegate, UINavigationControllerDelegate {

    func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
        if let chosenImage = info[.originalImage] as? UIImage {
            selectedImage = chosenImage
            photo.image = chosenImage
        }
        dismiss(animated: true, completion: nil)
    }
}

Above code solved the warning and image successfully uploaded

edited Apr 16 '19 at 12:49

Saurabh

745
1
9
33

answered Apr 09 '19 at 03:16

sara

39
5

Please edit the answer to use a plain text code block instead of an image of code. – tshimkus Apr 09 '19 at 03:39

Swift 4.2 imagePickerController issue

6 Answers6

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