Facebook's iPhone application -- User Interface for Inbox

I am trying to figure out implement a Compose New Message view that works in the same way the Facebook iPhone application does theirs. It's very similar to MFMailCompose and MFMessageCompose but both of those are already set to search through the iPhone's contacts. Facebook's application looks exactly the same except theirs searches through your Facebook friends. I开发者_运维知识库 can use a UISearchBar to basically get the exact same functionality by displaying a UITableView, but I'd like to know how the Facebook app does it cause it looks a little bit nicer.

Three20 UI is exactly what you find. It is the library used for Facebook App