self.tabBarController dismissViewControllerAnimated doesn't work

Question

I have a UITabBarController in my application.

I would like to present from one tab, another UIViewController.

So I wrote in ViewControllerA (which

Answer 1

Use the presented viewController's presentingViewController property

Objective-C

[self.presentingViewController  dismissViewControllerAnimated:NO completion:nil];

Swift

presentingViewController?.dismissViewControllerAnimated(false, completion: nil)

You can also use this shorthand version (I don't recommend you do, but you will see it often)

Objective-C

[self dismissViewControllerAnimated:NO completion:nil];

Swift

dismissViewControllerAnimated(false, completion: nil)

see
Dismissing a Presented View Controller