CODEWITHSUNDEEP
iosswiftcore-image
Mahmoud Hassan
Mahmoud Hassan

Reputation: 47

Issue with Swift code to make recognition app

**hello everyone ... I am trying to make an app recognition, simply I have an image view, text view and button and code is below .. my first issue is that my imageview isnt changing after picking a picture! .. my second issue that it tells me that "Arguments label image1 do not match any available overloads " any help pls ?

import UIKit
import CoreImage

class  ViewController: UIViewController, UIImagePickerControllerDelegate, UINavigationControllerDelegate{

    @IBOutlet var myimage: UIImageView!
    @IBOutlet var info: UITextView!

    @IBAction func Import(_ sender: Any) {
        // create image picker
        let imagepicker = UIImagePickerController()
        imagepicker.delegate=self
        imagepicker.sourceType=UIImagePickerControllerSourceType.photoLibrary
        self.present(imagepicker ,animated: true, completion: nil)   
    }

      func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
        if let Image1 = info[UIImagePickerControllerOriginalImage] as? UIImage {
            myimage.image = Image1   
        }
        self.dismiss(animated: true, completion: nil)
    }

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

    // detect function
    func detect(){
        let image2 = CIImage (Image1:myimage.image!)! 

       // issue is here it says 
       "Arguments label image1 do not match any available overloads "
    }
}

Upvotes: 0

Views: 94

Answers (3)

Gleb A.
Gleb A.

Reputation: 1180

First issue: Looks like your delegate method declaration doesn't match the one in the protocol, so it's treated as a separate method. Xcode even gives a warning:

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

Try changing this line:

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

to:

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

UPD: please also read @dfd's comments below on how to avoid this (quite a common) type of confusion.

Second issue: as already mentioned by others, you should pass the parameter as the initialiser properly. With minimum changes to your code it will be:

let image2 = CIImage (image: myimage.image!)!

However, the less exclamation marks (i.e. force unwrapping) the better; for more info on that, check Optional Chaining as an Alternative to Forced Unwrapping.

Upvotes: 1

rbaldwin
rbaldwin

Reputation: 4848

Your first problem is that you are missing the _ in your delegate call, just before picker: and you need to write Any instead of AnyObject. It should be:

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

Second problem, your function needs to be written like this:

let image2 = CIImage(image: myimage.image!)

Upvotes: 0

Abdelahad Darwish
Abdelahad Darwish

Reputation: 6067

This error because you have write error label

CIImage.init(image: <#T##UIImage#>)

you can do it like this

    guard  let image = myimage.image  else {
            return
        }
let image2 = CIImage.init(image: image)

Upvotes: 0

Related Questions