dismissViewControllerAnimated VS popViewControllerAnimated

Question

I want to know what is the different of them. when I can call

[self dismissViewControllerAnimated:YES completion:nil];

and when I should c

Answer 1

your selected application is navigation based application means

[self.navigationController popViewControllerAnimated:YES];

your selected application is other than the navigation based application means

[self dismissViewControllerAnimated:YES completion:nil];