Subclassing UIViewController

ViewController.swift

import UIKit

class ViewController: UIViewController {
  
  
  required init(coder aDecoder: NSCoder) {
    super.init(coder: aDecoder)
  }
  
  override init(nibName nibNameOrNil: String!, bundle nibBundleOrNil: NSBundle!) {
    super.init(nibName: nil, bundle: nil)
  }
  
  convenience init() {
    self.init(nibName: nil, bundle: nil)
  }

  
}