public byte[] getByteArray(String data) {

	ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
	DataOutputStream out = new DataOutputStream(byteArrayOutputStream);

	try {
		out.write(data.getBytes());
		byteArrayOutputStream.flush();
		byteArrayOutputStream.close();
	} catch (IOException e) {
		e.printStackTrace();
	}

	return byteArrayOutputStream.toByteArray();

}