Swift performSegueWithIdentifier shows black screen

Question

I have read through a lot of different posts regarding this issue, but none of the solutions seemed to work for me.

I started a new app and I placed the initial Vie

Answer 1

By following the steps that @ronatory had laid out so well for me in the accepted answer, I was able to see that I had set up my TraitViewController as a UIPageViewController instead of UIViewController.. and so it didn't generate any errors, but it just took me to a black screen. Feel silly that I read through my code so many times and never noticed this.

Main point: If you're getting a black screen on a ViewController randomly, make sure your class is extending the correct parent class. in my case:

class TraitViewController: UIPageViewController {

needed to be

class TraitViewController: UIViewController {