how to make facebook chat?

Question

I want to create an android Facebook chat application , i found this open source project .. http://coderrr.wordpress.com/2008/05/06/facebook-chat-api/

but i want to ask

Answer 1

Facebook provides their own chat API. See the docs at Integrating with Facebook Chat. They provide sample code in PHP.

You can also use Jabber to authenticate with Facebook. You'll need an application key to ensure this all works.