public ConnectionQuality register(ConnectionClassStateChangeListener listener){
  if (listener != null) {
    mListenerList.add(listener);
  }
  return mCurrentBandwidthConnectionQuality.get();
}

public ConnectionQuality register ( ConnectionClassStateChangeListener listener ) { if ( listener != null ) { mListenerList . add ( listener ) ; } return mCurrentBandwidthConnectionQuality . get ( ) ; }
method for adding new listeners to this class .
