have u tried them,
"TMMFPrioritySettings","CMMFDevSound" APIs
From SDK:"
IMPORT_C void SetPrioritySettings(const TMMFPrioritySettings &aPrioritySettings);[/QUOTE]

I tried both priority...

Then how to use audio device in share mode?

I use CMdaAudioPlayerUtility to play an audio during listening FM radio. The radio is interrupted during the audio playing. It won't resume even after my audio complete playing.

While if you are...

You might need increase EPOCHEAPSIZE in .mmp