How to share or post by mail, twitter and facebook from the current application?

Question

I am implementing an application from which I have to share that applications on Facebook, Twitter as well as by mail. As my application is not a game, I just want to put an

Answer 1

You can also do this one by one.

Facebook http://developers.facebook.com/docs/reference/iossdk/

Twitter https://developer.apple.com/library/ios/#documentation/Twitter/Reference/TWTweetSheetViewControllerClassRef/Reference/Reference.html

Mail http://developer.apple.com/library/ios/#documentation/MessageUI/Reference/MFMailComposeViewController_class/Reference/Reference.html