public void auth() throws InterruptedException {
    final CountDownLatch cd = new CountDownLatch(1);
    firebaseRef.authWithPassword(user, password,
        new Firebase.AuthResultHandler() {
            @Override
            public void onAuthenticated(AuthData authData) {
                System.out.println("Auth successful " + authData);
                cd.countDown();
            }

            @Override
            public void onAuthenticationError(FirebaseError firebaseError) {
                System.out.println("Authentication failed " + firebaseError);
                cd.countDown();
            }
        });
    cd.await();
}