iPhone: Adding Info button as right bar button item in navigation bar in code

Question

Has anyone had any success creating an info button (italic \'i\' in a circle) in code (read: without Interface Builder), and then assigning it as the right bar button item of a

Answer 1

For Swift:

func addRightNavigationBarInfoButton() {
    let button = UIButton(type: .infoDark)
    button.addTarget(self, action: #selector(self.showInfoScreen), for: .touchUpInside)
    self.navigationItem.rightBarButtonItem = UIBarButtonItem(customView: button)
}

@objc func showInfoScreen() {
    // info bar button pressed
}