     @IBOutlet weak var lumValueLabel: UILabel!
     @IBOutlet weak var lumLabel: UILabel!
     
-    let Colors = GOOpenerColors()
+    let Colors            = GOOpenerColors()
+    let animationDuration = 1.0
     
     // An enum to keep track of the application states defined.
     enum States {

    
    func updateOpenButtonStartScan() {
        
        UIView.animateWithDuration(0.5, animations: {
            self.openButton.backgroundColor = self.Colors.start
        })
        

    
    func updateOpenButtonScanning() {
        
        UIView.animateWithDuration(1.0, animations: {
            self.openButton.backgroundColor = self.Colors.scanning
        })
        
