   private func create() {
     var frame = self.contentView.frame
     frame.origin.x = self.arrowShowPoint.x - frame.size.width * 0.5
-    
+
     var sideEdge: CGFloat = 0.0
     if frame.size.width < self.containerView.frame.size.width {
       sideEdge = self.sideEdge

    }
    self.addSubview(self.contentView)
    self.containerView.addSubview(self)
    
    self.transform = CGAffineTransformMakeScale(0.0, 0.0)
    UIView.animateWithDuration(self.animationIn, delay: 0,
      usingSpringWithDamping: 0.7,

    self.blackOverlay.frame = inView.bounds
    self.blackOverlay.backgroundColor = self.blackOverlayColor
    inView.addSubview(self.blackOverlay)

    self.blackOverlay.addTarget(self, action: "dismiss", forControlEvents: .TouchUpInside)

    self.containerView = inView
    self.contentView = contentView
    self.contentView.backgroundColor = UIColor.clearColor()
