AutoLayout-deprecated

    override func viewDidLoad() {
        super.viewDidLoad()
        let view = UIView(frame: CGRectZero)
        view.setTranslatesAutoresizingMaskIntoConstraints(false)
        view.backgroundColor = UIColor.redColor()
        self.view.addSubview(view)
        
        let views = ["view": view]
        let h = NSLayoutConstraint.constraintsWithVisualFormat("|[view]|", options: nil, metrics: nil, views: views)
        let v = NSLayoutConstraint.constraintsWithVisualFormat("V:|[view]|", options: nil, metrics: nil, views: views)
        
        // This method will be deprecated in a future release.
//        self.view.addConstraints(h)
//        self.view.addConstraints(v)

        NSLayoutConstraint.activateConstraints(h)
        NSLayoutConstraint.activateConstraints(v)
    }