             BlackStatusBar()
         }
         
-        if (-offSetY <= 40 && -offSetY >= 20) {
+        if (-offSetY <= 60 && -offSetY >= 50) {
             if !viewModel.hasPrevious {
                 return
             }

        backgroundImg = UIImageView()
        backgroundImg.contentMode = .ScaleAspectFill
        backgroundImg.clipsToBounds = true
        backgroundImg.frame = CGRectMake(0, -40, ScreenWidth, CGFloat(IN_WINDOW_HEIGHT+40))
        
        titleLabel = UILabel()
        titleLabel.numberOfLines = 0

        let width = CGFloat(50.0)
        let height = CGFloat(50.0)
        
        activityIndicatorView = NVActivityIndicatorView(frame: CGRectMake(x, y, width, height), type: .BallClipRotatePulse, color: ThemeColor, size: CGSizeMake(50, 50))
        activityIndicatorView.center = self.view.center
        self.view.addSubview(activityIndicatorView)

