private void deregisterGattComponents() {
   if (gattProviderBooking != null) {
     gattProviderBooking.deregisterConnGattSub(gattListenBooking);
   }
   if (gattProviderNews != null) {
     gattProviderNews.deregisterConnGattSub(gattListenNews);
   }
   if (gattProviderShout != null) {
     gattProviderShout.deregisterConnGattSub(gattListenShout);
   }
   if (gattProviderWeather != null) {
     gattProviderWeather.deregisterConnGattSub(gattListenWeather);
   }
 }
 public void onDetach() {
   provCntxt = null;
   blConn.deregisterConnGattSub(this);
 }
 public void setConn(IConnGattProvider blConnection) {
   this.blConn = blConnection;
   blConnection.registerConnGattSub(this);
 }