mistake #3 - breaking the SOLID rules

hard-skills-mistake-3.swift

final class UserDetailsViewController: UIViewController {

  // Define the public API ...
  
  override func viewDidLoad() {
    super.viewDidLoad()
    
    navigationController?.presentationController?.delegate = self
    navigationItem.titleView = navigationTitleLabel
    
    navigationController?.navigationBar.setBackgroundImage(UIImage(), for: UIBarMetrics.default)
    navigationController?.navigationBar.shadowImage = UIImage()
    
    view.backgroundColor = L360Color.gray1
    
    addDefaultSubviews()
    setupDefaultConstraints()
  }
}