android facebook

How to avoid already-authorized in Android Facebook SDK

I’m getting a completely useless page when I use the Single Sign on for Facebook’s Android SDK.

“You have already authorized happyapp.
Press “Okay” to continue.

This page would destroy user experience. How the heck do I get rid of it. Lots of people have been seeing this, but no solution is posted.

Even Facebook admits this is a problem, see:

Does anyone know any work-around?