How to "become a fan" by Facebook API without leaving iPhone app?

Question

I'd like to allow user to "become a fan" of certain Facebook page in my iPhone app. How can I do that without leave my app, i.e.:

- user choose to "become a fan" of a predefined page
- Facebook login dialog shows up within app
- the app sends "become a fan" request via Facebook API
- the Facebook dialog closes and return to app

Some source code samples will be very helpful. Thanks~

Answer 1

Check out this method on how to allow the user to become a fan on the iPhone. The problem here is that the user will leave your application and must have the Facebook app installed on his deviec...