android UUID

java-part.uno

private static extern(Android) string GetUUID()
@{
        //android.app.Activity context = com.fuse.Activity.getRootActivity();
        //return android.provider.Settings.Secure.getString(context.getContentResolver(), android.provider.Settings.Secure.ANDROID_ID);
        final android.app.Activity context = com.fuse.Activity.getRootActivity();
        final TelephonyManager tm = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);
        final String deviceId     = "" + tm.getDeviceId();
        final String serialNum    = "" + tm.getSimSerialNumber();
        final String androidId    = "" + android.provider.Settings.Secure.getString(
                                            context.getContentResolver(),
                                            android.provider.Settings.Secure.ANDROID_ID
                                         );

        int macAdressId = 0x7FFFFFFF;
        try {
            final InetAddress ip = InetAddress.getLocalHost();
            final NetworkInterface network = NetworkInterface.getByInetAddress(ip);
            macAdressId = network.getHardwareAddress().hashCode();
        } catch (Throwable e) {}

        //UUID deviceUuid = new UUID((((long)macAdressId << 32) + androidId.hashCode()),
        //                            ((long)deviceId.hashCode() << 32) + serialNum.hashCode());

        long first  = ((long)macAdressId << 32)         + androidId.hashCode();
        long second = ((long)deviceId.hashCode() << 32) + serialNum.hashCode();

        byte[] bytes = ByteBuffer.allocate(2 * Long.SIZE / Byte.SIZE)
          			   .putLong(first)
          			   .putLong(second)
                       .array();

        int[] hashedUUID = md5.encode128(bytes);
        first  = (long)hashedUUID[0] | (long)hashedUUID[1] << 32;
        second = (long)hashedUUID[2] | (long)hashedUUID[3] << 32;

        return new UUID(first, second).toString().toUpperCase();
@}