Hiding keyboard category on clicking anywhere on the screen

UIViewController+KeyboardFeature.swift

import Foundation

extension UIViewController {
    
    func hideKeyboardWhenTappedAround() {
        
        let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(UIViewController.dismissKeyboard))
        view.addGestureRecognizer(tap)
    }
    
    func dismissKeyboard(_ sender: UITapGestureRecognizer) {
        self.view.endEditing(true)
    }
}

// How to use it?
...
override func viewDidLoad() {
    super.viewDidLoad()
    self.hideKeyboardWhenTappedAround() 
}
...