IOS navagationbar items

	class ViewController : UIViewController {
	override func viewDidLoad() {
	super.viewDidLoad()
	self.navigationItem.title = "title영역"
	let my_switch = UISwitch(frame: .zero)
	my_switch.isOn = true //
	my_switch.addTarget(self, action: #selector(switchToggled(_:)), for: .valueChanged)
	let switch_display = UIBarButtonItem(customView: my_switch)
	let a = UIBarButtonItem(title: "Add", style: .plain, target: self, action: #selector(addTapped))
	let b = switch_display
	a.tintColor = UIColor.red
	navigationItem.rightBarButtonItems = [b, a]
	}
	@IBAction func addTapped(_ sender: UISwitch) {
	print("addTapped")
	}
	@IBAction func switchToggled(_ sender: UISwitch) {
	if sender.isOn {
	print( "The switch is now true!" )
	} else {
	print( "The switch is now false!" )
	}
	}
	}

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devxoul/UINavigationItem-Margin