public void searchAll() {
   if (m_upnpService != null) {
     Log.e(TAG, "Search invoke");
     m_upnpService.getRegistry().removeAllRemoteDevices();
     m_upnpService.getControlPoint().search();
   } else {
     Log.e(TAG, "Upnp Service = null");
   }
 }
 public ControlPoint getControlPoint() {
   return m_upnpService != null ? m_upnpService.getControlPoint() : null;
 }