loading sementara

for view in self.view.subviews{
                    print(view)
                    if view.isKind(of: SpinnerView.self) {
                        view.removeFromSuperview()
                    }
                }
                
                =====
                
                
                func showLoading() {
        
        var sizeScale = 1
        let model = UIDevice.current.model
        
        if model == "iPhone" {
            sizeScale = 1
        } else if model == "iPad" {
            sizeScale = 2
        }
        
        let x = Int(self.view.frame.width / 2) - (18 * sizeScale)
        let y = Int(self.view.frame.height / 2) - (18 * sizeScale)
        let size = 36 * 2
        
        loadingView = SpinnerView(frame: CGRect(x: x, y: y, width: size, height: size))
        loadingView.backgroundColor = UIColor.clear
        
        self.view.addSubview(loadingView)
    }
    
    =====
    
    var loadingView = UIView()