Implementing UIPanGestureRecognizer. on ViewController for Draggable Demo

ViewController.swift

//
//  ViewController.swift
//  draggabledemo
//
//  Created by Philip Indra Prayitno ( https://github.com/s1rent ) on 03/12/20
//

import UIKit

class ViewController: UIViewController {
    
    @IBOutlet weak var draggableView: UIView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        self.draggableView.addGestureRecognizer(UIPanGestureRecognizer(target: self, action: #selector(handler)))
    }
    
    @objc func handler(gesture: UIPanGestureRecognizer){
        print(gesture.location(in: self.view))
    }
}