 
     required init?(coder aDecoder: NSCoder) {
         super.init(coder: aDecoder)
-    }
-
-    @IBAction func pushNewViewController(_: AnyObject) {
-        navigationController?.pushViewController(nextSimpleViewController(), animated:true);
-    }
-
-    @IBAction func popViewController(_: AnyObject) {
-        navigationController?.popViewControllerAnimated(true);
-    }
-
-    @IBAction func showModal(_: AnyObject) {
-        presentViewController(nextSimpleColorViewController(), animated:true, completion:({}));
-    }
-
-    @IBAction func showCollectionView(_: AnyObject) {
-        navigationController?.pushViewController(RZSimpleCollectionViewController(), animated:true);
     }
 
     override func viewDidLoad() {

            return nextSimpleViewController();
        }
    }
    
}

import UIKit

@objc(RZSimpleViewController)
final class RZSimpleViewController: UIViewController
{
    @IBOutlet weak var popButton: UIButton?
    @IBOutlet weak var pushButton: UIButton?
