Adding buttons to toolbar programmatically in swift

Question

I\'m having a hard time adding a button to the toolbar in swift, below you can see an image of the toolbar that I\'m after, unfortunately even though I have it designed in my St

Answer 1

Updated answer using the current selector syntax for

Swift 3

var barButtons = [UIBarButtonItem]()
barButtons.append(
    UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(ThisViewController.onDoneBarButtonClick))
)
self.navigationItem.setRightBarButtonItems(barButtons, animated: false)

You can place this code in any loading event. It works seamless for me in viewDidLoad().

Replace "ThisViewController.onDoneBarButtonClick" with your view controller class name and any method you want to write to manage the toolbar button click.