ios - UIImageView 不会显示从 UIImagePicker 中选择的图像

Question

我的 imageView 不显示我用 UIImagePicker 选择的图片。

这是它的所有代码:

@IBAction func addImage(_ sender: Any) {
    if !didShowCamera {
        imagePicker = UIImagePickerController()
        imagePicker.delegate = self

        if UIImagePickerController.isSourceTypeAvailable(.camera) {
            imagePicker.sourceType = .camera
            imagePicker.cameraCaptureMode = .photo
        } else {
            imagePicker.sourceType = .photoLibrary
        }

        self.present(imagePicker, animated: true, completion: nil)
    }
}

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

有什么解决办法吗？

Answer 1

使用调度主队列

DispatchQueue.main.async {
self.jobImage.image = takenImage
self.takenImage = image
}