View popup from a button when pressed and cover the whole window size

Question

i am doing coding in iPhone and i want to know how a new view popup from a button when we click it and the popup view continuosly zooming to cover the whole iphone screen.(it is not any image , it is a view having view controllers too)

Answer 1

Your primary view controller should "present" the modal one using presentModalViewController:animated:. (Docs link)