Authenticator.setDefault(new Authenticator() {
                protected PasswordAuthentication getPasswordAuthentication() {
                    return new PasswordAuthentication("admin", "1234".toCharArray());
                }
            });

urlConnection = new URL(params[0]);
user = params[1];
pass = params[2];

return new PasswordAuthentication(user, pass.toCharArray())

httpUrlConnection.getResponseCode();

.....

    httpUrlConnection.setConnectTimeout(2000);
    httpUrlConnection.connect();
    statusCode = httpUrlConnection.getResponseCode(); //debug stop here
    httpUrlConnection.disconnect();
} catch (IOException e) {
    e.printStackTrace();
}
return statusCode;