What does the popup view controller do?
Push in and out of the stack Pushes a view controller on the receiver’s stack and updates the screen. func popToRootViewController(animated: Bool) -> [UIViewController]? Show all view controllers on the stack except the root view controller and update the screen.
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How do I drop the current view controller?
Modal View Controller // Swift self. discard(animate: true, completion: nil) // Objective-C [self dismissViewControllerAnimated: YES finalización: nil]; The documentation says: The presenting view controller is responsible for discarding the presenting view controller.
Is it possible to blow up an unavigationcontroller?
When moving away from any pushed UIViewController, UINavigationControllers should open the UIViewController. Although it is possible to render UIViewControllers both modally and through an embed, UIViewControllers can only render other UIViewControllers.
Can a view controller be popped off the stack?
The view controller that was popped from the stack. This method removes the top view controller from the stack and makes the new top of the stack the active view controller. If the view controller at the top of the stack is the root view controller, this method does nothing. In other words, you can’t pop the last item on the stack.
When to pass false to a navigation controller?
Set this value to true to animate the transition. Pass false if you are setting a navigation controller before your view is displayed. The view controller that was popped from the stack. This method removes the top view controller from the stack and makes the new top of the stack the active view controller.
Any UIViewController (including UINavigationControllers, since UINavigationControllers are a type of UIViewControllers) presented modally should be discarded. Since UINavigationControllers contain UIViewControllers on their stack, they can present UIViewControllers either modally or through an injection.