 import UIKit
 import FirebaseAuth
+import FBSDKLoginKit
 
 class VLogin:UIView
 {

        logoView.contentMode = UIViewContentMode.center
        logoView.image = #imageLiteral(resourceName: "assetGenericLogo")
        
//        let loginButton;
        
        addSubview(logoView)
        
        let views:[String:UIView] = [
            "logoView":logoView]
        
        let metrics:[String:CGFloat] = [:]
        

            options:[],
            metrics:metrics,
            views:views))
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat:"H:|-0-[loginButton]-0-|",
            options:[],
            metrics:metrics,
            views:views))
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat:"V:[loginButton(40)]-10-|",
            options:[],
            metrics:metrics,
            views:views))
    }
}
