private static String bytesToHexStringbyte sources if sources == null return null; StringBuilder stringBuffer = new StringBuilder; for byte source sources String res

QString bytesToHexString(QByteArray sources) { QString result; for (int i = 0; i < sources.size(); i++) { QString temp = QString::number(sources[i] & 0xff, 16); if (temp.size() < 2) { temp.prepend('0'); } result.append(temp); } return result; }