Extension to hide the keyboard when tapping around

UIViewController+Extensions.swift

//
//  ViewController.swift
//  MasjidLink
//
//  Created by Sebastian Vidrea on 08/04/2019.
//  Copyright © 2019 Sebastian Vidrea. All rights reserved.
//

import UIKit

extension UIViewController: UIGestureRecognizerDelegate {
    
    func hideKeyboardWhenTappedAround() {
        let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(dismissKeyboard))
        tap.cancelsTouchesInView = false
        tap.delegate = self
        view.addGestureRecognizer(tap)
    }
    
    @objc func dismissKeyboard() {
        view.endEditing(true)
    }
    
    public func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldReceive touch: UITouch) -> Bool {
        if touch.view is UIButton {
            return false
        }
        return true
    }
    
}