SwiftUIImagePickerControllerSample

import UIKit

class CameraSandBox: UIViewController,UIImagePickerControllerDelegate,UINavigationControllerDelegate{
    
    var button: UIButton!
    private var myImageView: UIImageView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        button = UIButton(frame: CGRectMake(0, 0,100, 100))
        button.backgroundColor = UIColor.redColor()
        button.layer.cornerRadius = 50.0
        button.layer.position = CGPointMake(self.view.frame.width/2, self.view.frame.height-150)
        button.setTitle("+", forState: .Normal)
        button.setTitleColor(UIColor.whiteColor(), forState: .Normal)
        button.addTarget(self, action: #selector(self.setLocation(_:)), forControlEvents: .TouchUpInside)
        self.view.addSubview(button)
    }
   
    func setLocation(sender: UIButton){
        if UIImagePickerController.isSourceTypeAvailable(UIImagePickerControllerSourceType.PhotoLibrary){
            let imagePickerController = UIImagePickerController()
            imagePickerController.sourceType = .PhotoLibrary
            imagePickerController.allowsEditing = true
            imagePickerController.delegate = self
            presentViewController(imagePickerController, animated: true, completion: nil)
        }
    }

    func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
        if let image = info[UIImagePickerControllerEditedImage] {
            self.myImageView=UIImageView(frame: CGRect(x: 0, y: 0, width: 200, height: 200))
            self.myImageView.layer.position = CGPoint(x: self.view.frame.width/2, y:self.view.frame.height/2)
            self.myImageView.contentMode = UIViewContentMode.ScaleAspectFit
            self.myImageView.image = image as? UIImage
            self.view.addSubview(self.myImageView!)
        }
        picker.dismissViewControllerAnimated(true, completion: nil)
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }

}