//Note: Springs and Struts will be translated into corresponding auto layout constraints at runtime.

​

​

override func viewDidLoad() {

    let newView = UIView(frame: CGRect(x: 0, y: 0, width: 100, height: 100))

    newView.backgroundColor = UIColor.red

    view.addSubview(newView)

​

    newView.translatesAutoresizingMaskIntoConstraints = true

    newView.center = CGPoint(x: view.bounds.midX, y: view.bounds.midY)

    newView.autoresizingMask = [UIView.AutoresizingMask.flexibleLeftMargin, UIView.AutoresizingMask.flexibleRightMargin, UIView.AutoresizingMask.flexibleTopMargin, UIView.AutoresizingMask.flexibleBottomMargin]

}