Popping ViewController on Swift

I need to pop a UIViewController from the navigation controller.

Just writing this line of code but taking an exception;

unexpectedly found nil while unwrapping an Optional value

self.navigationController.popViewControllerAnimated(true)

If I make the navigation controller optional, this line makes no effect, no popping

self.navigationController?.popViewControllerAnimated(true)

How to solve it?

Solution 1:

You need to unwrap your navigationController correctly

if let navController = self.navigationController {
    navController.popViewController(animated: true)
}

Swift 3.0 This is working for me

self.navigationController?.popViewController(animated: true)

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