ProgramaticButton

ProgramaticButton.Swift

    override func viewDidLoad() {
        super.viewDidLoad()
        
        let button = UIButton(type: UIButtonType.System) as UIButton
        button.frame = CGRectMake(100, 100, 100, 100)
        button.backgroundColor = UIColor.redColor()
        button.setTitle("Touch for a hello greeting", forState: .Normal)
        self.view.addSubview(button)
    }
    
    
    
    // 1: Define button instance
    // 2: Set it's frame
    // 3: Set it's background color
    // 4: set the title
    // 5: Add it to the subview