Async Task Extending View Controller

AsyncTaskExtendingViewController.swift

class ImagePickerDemoViewController: UIViewController {

    let imageView = UIImageView()

    func launchImagePicker() {
        Task {
            do {
                let data = try ImagePickerTask(viewController: self).await()
            } catch Error.PhotoLibraryNotAvailable {
                alert("Photo Library is Not Available")
            }
            guard let image = data?[UIImagePickerControllerOriginalImage] as? UIImage else {
                self.imageView.image = nil
                return
            }
            self.imageView.image = image
        }.async()
    }

}