dddd.swift

topView.backgroundColor = UIColor.creditSesameLightGrayBackgroundColor
        topView.addTopSeparator()
        bottomView.backgroundColor = UIColor.creditSesameLightGrayBackgroundColor
        bottomView.addBottomSeparator()
        segmentControl.delegate = self
        segmentControl.datasource = self
        
        topView.heightAnchor.constraint(equalToConstant: 16).isActive = true
        segmentControl.heightAnchor.constraint(equalToConstant: 32).isActive = true
        bottomView.heightAnchor.constraint(equalToConstant: 16).isActive = true
        
        stackView.axis = .vertical
        stackView.distribution = .equalSpacing
        stackView.alignment = .center
        stackView.spacing = 64;
        
        stackView.addArrangedSubview(topView)
        stackView.addArrangedSubview(segmentControl)
        stackView.addArrangedSubview(bottomView)
        
        stackView.translatesAutoresizingMaskIntoConstraints = false;
        
        //stackView.centerXAnchor.constraint(equalTo: self.view.centerXAnchor).isActive = true
        //stackView.centerYAnchor.constraint(equalTo: self.view.centerYAnchor).isActive = true