How to refresh View after entering applicationWillEnterForeground? [duplicate]

Question

Possible Duplicate:
How to tell when controller has resumed from background?

How to refresh View after user enters applicationWillEnterForeground?

I want to complete recall for example HomeViewController.

I have and update function in HomeViewController and I want when user enters to call update function and reload table data.

Answer 1

Any class can register to UIApplicationWillEnterForegroundNotification, and react accordingly. It's not reserved to the app delegate, and helps for better separation of source code.