@Override
public void onDestroy() {
super.onDestroy();
mArduinoEngine.removeListener(mArduinoListener);
}
}
public void onDestroy() {
super.onDestroy();
if (mArduinoListener != null)
mArduinoEngine.removeListener(mArduinoListener);
mArduinoEngine.removeConnectionListener(this);
}