         let views:[String:UIView] = [
             "collectionView":collectionView]
         
-        let metrics:[String:CGFloat] = [
-            "barHeight":barHeight]
+        let metrics:[String:CGFloat] = [:]
         
         addConstraints(NSLayoutConstraint.constraints(
             withVisualFormat:"H:|-0-[collectionView]-0-|",

        let item:MLoginItem = modelAtIndex(index:indexPath)
        let width:CGFloat = collectionView.bounds.maxX
        let size:CGSize = CGSize(width:width, height:item.cellHeight)
        
        return size
    }

        backgroundColor = UIColor.main
        self.controller = controller
        
        let flow:UICollectionViewFlowLayout = UICollectionViewFlowLayout()
        flow.footerReferenceSize = CGSize.zero
        flow.minimumLineSpacing = 0
        flow.minimumInteritemSpacing = 0
        flow.scrollDirection = UICollectionViewScrollDirection.vertical
        flow.sectionInset = UIEdgeInsets(top:0, left:0, bottom:kCollectionBottom, right:0)
        
        let collectionView:UICollectionView = UICollectionView(frame:CGRect.zero, collectionViewLayout:flow)
        collectionView.clipsToBounds = true
