Is it possible to determine whether ViewController is presented as Modal?

Question

Is it possible to check inside ViewController class that it is presented as modal view controller?

Answer 1

In my project I have a view controller (Detail) that can be presented either modally (when adding a new item) or with push (when editing an existing one) by Master view controller. When user taps [Done] the Detail view controller calls Master view controller's method to notify that it is ready to be closed. Master has to determine how Detail is presented in order to know how to close it. This is how I do this:

UIViewController *vc = self.navigationController.viewControllers.lastObject;
if (vc == self) {
    [self dismissViewControllerAnimated:YES completion:NULL];
} else {
    [self.navigationController popViewControllerAnimated:YES];
}