Storyboard

import UIKit

class ViewController: UIViewController {

	var count = 0
	var label:UILabel!

	func incrementCount(){
		self.count++
		self.label.text = "\(self.count)"
	}
}

import UIKit

class ViewController: UIViewController {

	@IBOutlet weak var colorView: UIView!
	@IBOutlet weak var redControl: UISwitch!
	@IBOutlet weak var greenControl: UISwitch!
	@IBOutlet weak var blueControl: UISwitch!

	override func viewDidLoad(){
		super.viewDidLoad()
	}

	@IBAction func changeColorComponent(sender: AnyObject){
		let r: CGFloat = self.redControl.on ? 1:0
		let g: CGFloat = self.greenControl.on ? 1:0
		let b: CGFloat = self.blueControl.on ? 1 : 0

		colorView.backgroundColor = UIColor(red: r, green: g, blue: b, alpha:1)
	}
}

@IBAction func experiment(){
	let nextController = UIImagePickerController()
	self.presentViewController(nextController, animated: true, completion:nil)
}