问Blackberry音频录制示例代码

EN

final class VoiceNotesRecorderThread extends Thread{
   private Player _player;
   private RecordControl _rcontrol;
   private ByteArrayOutputStream _output;
   private byte _data[];

   VoiceNotesRecorderThread() {}

   private int getSize(){
       return (_output != null ? _output.size() : 0);
   }

   private byte[] getVoiceNote(){
      return _data;
   }
}

   public void run() {
      try {
          // Create a Player that captures live audio.
          _player = Manager.createPlayer("capture://audio");
          _player.realize();    
          // Get the RecordControl, set the record stream,
          _rcontrol = (RecordControl)_player.getControl("RecordControl");    
          //Create a ByteArrayOutputStream to capture the audio stream.
          _output = new ByteArrayOutputStream();
          _rcontrol.setRecordStream(_output);
          _rcontrol.startRecord();
          _player.start();    
      } catch (final Exception e) {
         UiApplication.getUiApplication().invokeAndWait(new Runnable() {
            public void run() {
               Dialog.inform(e.toString());
            }
         });
      }
   }

   public void stop() {
      try {
           //Stop recording, capture data from the OutputStream,
           //close the OutputStream and player.
           _rcontrol.commit();
           _data = _output.toByteArray();
           _output.close();
           _player.close();    
      } catch (Exception e) {
         synchronized (UiApplication.getEventLock()) {
            Dialog.inform(e.toString());
         }
      }
   }