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AVAudioSessionCategoryPlayAndRecord with kSystemSoundID_Vibrate fails...
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AVAudioSessionCategoryPlayAndRecord with kSystemSoundID_Vibrate fails...

  • Subject: AVAudioSessionCategoryPlayAndRecord with kSystemSoundID_Vibrate fails...
  • From: whitehexagon <email@hidden>
  • Date: Tue, 29 May 2012 00:41:27 -0700 (PDT)
Since I switched my AVAudioSession from:
    AVAudioSessionCategoryPlayback
to:
    AVAudioSessionCategoryPlayAndRecord

The call to AudioServicesPlaySystemSound(kSystemSoundID_Vibrate) no
longer functions.  My guess is that this is to avoid feedback.  But
the API also says it supports sequential record & playback, ie. that
they are not happening concurrently.  In that case I would expect the
vibrate to still work?  It's the same with the audio volume level
lowering.  Is there some way to reverse these side-effects?  Tested
under iOS4 and iOS5.

Thanks
Peter
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