iOS Facbook And Iphone

[hrithik123]

people are using Facebook Via Iphone

for Iphone Is Facebook Using Objective C?

 

[kaydell.leavitt]

Yes

yes, facebook is an iPhone OS app and Objective-C is the language that all apps are developed in (except web-apps).

iPhone OS Apps:
http://en.wikipedia.org/wiki/IPhone_OS#Web_applications

Web Apps:
http://en.wikipedia.org/wiki/Web_app

-- Kaydell

 

[robbieduncan]

The Facebook app uses the three-20 library to provide a lot of it's UI. You can get a copy from here. Personally I don't like the look of it due to the (in my opinion) odd mapping between internal URIs and actual screens but it might work for you.