let backView = UIView.init(frame: CGRectMake(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT))
backView.backgroundColor=UIColor.blackColor().colorWithAlphaComponent(0.3)
let numberView = UIView.init(frame: CGRectMake(20, 250, SCREEN_WIDTH-40, 150))
numberView.backgroundColor=UIColor.whiteColor()
backView.addSubview(numberView)
return backView
