How can I register a username in Firebase?

Question

I am trying to implement the registration of a username in Firebase since it only gives me methods that are like the createUserWithEmailAndPassword(), but you can n

Answer 1

Try this,

DatabaseReference database =   FirebaseDatabase.getInstance().getReference();
    User user = new User(firebaseUser.getUid(),
            firebaseUser.getEmail(),
            , firstName, photoURL); // add value as bean object

    database.child(ARG_USERS)
            .child(firebaseUser.getUid())
            .setValue(user)
            .addOnCompleteListener(new OnCompleteListener() {
                @Override
                public void onComplete(@NonNull Task task) {
                    if (task.isSuccessful()) {
              // user data updated in firebase
                       }


            });