问Firebase getCurrentUser返回奇怪的数据

EN

 // [START auth_state_listener]
    mAuthListener = new FirebaseAuth.AuthStateListener() {
        @Override
        public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
            FirebaseUser user = firebaseAuth.getCurrentUser();
            if (user != null) {
                // User is signed in
                final User NewUser = new User();
                NewUser.setName(user.getDisplayName().toString());  //ERROR HERE , ATTEMPT INVOKE NULL OBJECT
                NewUser.setAddress("");
                ...

private void createAccount(String email, String password, String password2, String name, String dob, String gender) {
    Log.d("REGISTER USER", "createAccount:" + email);
    if (!validateForm()) {
        return;
    }

    showProgressDialog();

    // [START create_user_with_email]


    mAuth.createUserWithEmailAndPassword(email, password)
            .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
                        @Override
                        public void onComplete(@NonNull Task<AuthResult> task) {
                            if (!task.isSuccessful()) {

                                if (task.getException() instanceof FirebaseAuthUserCollisionException) {
                                    Toast.makeText(UserRegistration.this, "Failed - EMAIL ALREADY REGISTERED", Toast.LENGTH_SHORT).show();
                                }


                            } else {
                                //do nothing
                            }

                            hideProgressDialog();


                            // ...
                        }
                    });

// [START auth_state_listener]
    mAuthListener = new FirebaseAuth.AuthStateListener() {
        @Override
        public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
            FirebaseUser user = firebaseAuth.getCurrentUser();
            if (user != null) {

                User Newuser = new User(name,email,"-","-",dobText,gender,10,"-",services,transactions,0);

                // new user node would be /users/$userid/
                String userId = mDatabase.push().getKey();  //generate Primary Key

               // mDatabase.child("Users").child(userId).child("username").setValue(name);

                //pushing user to 'users' node using the userId
                mDatabase.child("Users").child(userId).setValue(Newuser);

                // send to next activity
                Intent home = new Intent(UserRegistration.this , HomeActivity.class);
                startActivity(home);
                Log.d(TAG, "Register:onAuthStateChanged:signed_in:" + user.getUid());
                finish();
            } else {
                // User is signed out
                Log.d(TAG, "Register:onAuthStateChanged:signed_out");
            }

        }
    };
    // [END auth_state_listener]