     case LowerRightCorner
   }
   
-  let screenHeight = { CGRectGetHeight(UIScreen.mainScreen().bounds) }()
-  let screenWidth = { CGRectGetWidth(UIScreen.mainScreen().bounds) }()
+  let screenHeight = CGRectGetHeight(UIScreen.mainScreen().bounds)
+  let screenWidth = CGRectGetWidth(UIScreen.mainScreen().bounds)
   let kButtonSize = CGSize(width: 60, height: 60)
   let kLeftButtonTag = 1
   let kRightButtonTag = 2

      self.layout(currentOrientation)
    default:
      break
    }
    
    switch currentOrientation {
    case .FaceDown, .FaceUp, .Unknown: break
    default: prevDeviceOrientation = currentOrientation
    }
  }
  

    rightButton = createRightButton()
    
    layout(UIDevice.currentDevice().orientation)
    
    addSubview(leftButton)
    addSubview(rightButton)
