Prompt login alert with Twitter framework in iOS5?

Question

As you all may know, since iOS5 there is a native Twitter framework which make it easy to post tweets from your app.

Is there a way to prompt an alert that forwards

Answer 1

It's not possible, although it should automatically ask the user to login, if the user isn't logged in already.

As of iOS 5.1 that feature has been removed, as seen here