I am trying to port my j2me application to Blackberry (using BB JDE 7.1). My application works fine in blackberry, But I am not able to lock the screen orientation in blackberry.

I am using LWUIT lib. I was using "Nokia-MIDlet-App-Orientation: " to lock the application for Nokia devices. But this won't work for Blackberry devices.

I have tried "MIDlet-App-Orientation:" and some small modification in the midlet. But didn't work for blackberry.

Is there any way to lock the orientation for Blackberry devices ?