code: public void setInfoWindow(InfoWindow infoWindow){
  		if (mInfoWindow != null){
  			if (mInfoWindow.getRelatedObject()==this)
  				mInfoWindow.setRelatedObject(null);
  		}
  		mInfoWindow = infoWindow;
  	}
docs: Set the InfoWindow to be used.
  Default is a BasicInfoWindow, with the layout named "bonuspack_bubble".
  You can use this method either to use your own layout, or to use your own sub-class of InfoWindow.
  If you don't want any InfoWindow to open, you can set it to null.