DeviceID

gistfile2.txt

public String getDeviceId() {
        String m_szDevIDShort = "35"
                + // we make this look like a valid IMEI
                Build.BOARD.length() % 10 + Build.BRAND.length() % 10
                + Build.CPU_ABI.length() % 10 + Build.DEVICE.length() % 10
                + Build.DISPLAY.length() % 10 + Build.HOST.length() % 10
                + Build.ID.length() % 10 + Build.MANUFACTURER.length() % 10
                + Build.MODEL.length() % 10 + Build.PRODUCT.length() % 10
                + Build.TAGS.length() % 10 + Build.TYPE.length() % 10
                + Build.USER.length() % 10; // 13 digits
        String m_szAndroidID = Settings.Secure.getString(App.getInstance().getContentResolver(), Settings.Secure.ANDROID_ID);

        String m_szLongID = m_szDevIDShort + m_szAndroidID;
        MessageDigest m = null;
        try {
            m = MessageDigest.getInstance("MD5");
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        m.update(m_szLongID.getBytes(), 0, m_szLongID.length());
        byte p_md5Data[] = m.digest();

        StringBuilder m_szUniqueID = new StringBuilder();
        for (byte aP_md5Data : p_md5Data) {
            int b = (0xFF & aP_md5Data);
            if (b <= 0xF)
                m_szUniqueID.append("0");
            m_szUniqueID.append(Integer.toHexString(b));
        }
        m_szUniqueID = new StringBuilder(m_szUniqueID.toString().toUpperCase());

        return m_szUniqueID.toString();

    }