606cacf70f7b42ddc86df421e4edab290b7104ba,app/src/main/java/com/nextgis/logger/livedata/InfoExternalsFragment.java,InfoExternalsFragment,onDestroy,#,98

Before Change


    @Override
    public void onDestroy() {
        super.onDestroy();
        mArduinoEngine.removeListener(mArduinoListener);
    }
}

After Change


    public void onDestroy() {
        super.onDestroy();

        if (mArduinoListener != null)
            mArduinoEngine.removeListener(mArduinoListener);

        mArduinoEngine.removeConnectionListener(this);
    }