NavigationBar : Dynamic

//

//  ViewController.swift

//  TestApp1

//

//  Created by Divakar Singh on 3/1/17.

//  Copyright (c) 2017 Divakar Singh. All rights reserved.

//

import UIKit

class ViewController: UIViewController {

   

    var label1 : UILabel!

    

    override func viewDidLoad() {

        super.viewDidLoad()

        // Do any additional setup after loading the view, typically from a nib.

      

        // create label

        let navBar: UINavigationBar = UINavigationBar(frame: CGRect(x: 0, y: 36, width: 320, height: 44))

        self.view.addSubview(navBar);

        let navItem = UINavigationItem(title: "SomeTitle");

        let doneItem = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.Done, target: nil, action: "doneButton:");

        navItem.rightBarButtonItem = doneItem;

        let leftItem = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.Cancel, target: nil, action: "leftButton:");

        navItem.leftBarButtonItem = leftItem;

        

        navBar.setItems([navItem], animated: false);

        view.addSubview(navBar)

        

        label1 = UILabel()

        label1.frame = CGRect(x: 50, y: 100, width: 300, height: 36)

        label1.text = "Default"

        view.addSubview(label1)

        

     }

    func doneButton(sender : AnyObject)

 {

  label1.text = "Done button"

    }

    func leftButton(sender1 : UIButton)

    {

        label1.text = "Left button"

    }

    

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

    

    

}