How to make button in child view to update information in its parent view?

Question

So I want to make an iPhone app in which there are two views connected by UINavigationController. Let\'s say that the first view is ViewA and it\'s the initial view

Answer 1

Your main problem is to access object of ClassA from ClassB.

Here are a lot of ways, and answers here, to do :

Update a label through button from different view

Xcode - update ViewController label text from different view

Setting label text in another class

Set label on another view to stored NSDate