qbdoc

gistfile1.java

QBUser user = new QBUser();
user.setLogin("indianajones");
user.setPassword("indianapassword");
user.setEmail("indiana@jones.com");

// pass QBUser instance into create (register) user request
QBUsers.signUp(user, new QBCallbackImpl() {
    @Override
    public void onComplete(Result result) {
        // check if request has been successful
        // and result doesn't contain errors
        if (result.isSuccess()) {
            // expect to get QBUserResult instance
            QBUserResult userResult = (QBUserResult) result;
        } else {
            // otherwise handle error case
        }
    }
});