Question

I have a subclass of UIViewController called SurveyQuestion. I use an array of these for my app. I get the currently visible controller with this line:

SurveyQuestion *currentQuestionController = [self.navigationController visibleViewController];

Everything works, but Xcode gives me a warning of

Incompatible pointer types initializing 'SurveyQuestion *__strong' with an expression of type 'UIViewController *'

I know this is because visibleViewController returns a UIViewController, but it works because SurveyQuestion IS a UIViewController. Is there any way to suppress this error? Or should I be doing it a different way?

Answer 1

You can use cast like

SurveyQuestion *currentQuestionController = (SurveyQuestion *)[self.navigationController visibleViewController];