how to take firebase data and put it into a textview?

Question

I want to take the user data registered in Firebase and put them in a Textview, but I’ve tried several ways and none worked.

Code of Profile Fragment:

    public class PerfilFragment extends Fragment  {


    private FragmentPerfilBinding binding;
    private FirebaseAuth mAuth;
    private DatabaseReference mDatabase;

private String usuarioID;
    private UserModel userModel;

    public View onCreateView(@NonNull LayoutInflater inflater,
                             ViewGroup container, Bundle savedInstanceState) {


        binding = FragmentPerfilBinding.inflate(inflater, container, false);
        View root = binding.getRoot();

        final TextView textViewNome = binding.textViewNome;
        final TextView textViewSobrenome = binding.textViewSobrenome;
        final TextView textViewEmail = binding.textViewEmail;

        final Button buttonLogout = binding.buttonLogout;


        mAuth = FirebaseAuth.getInstance();

        String email = FirebaseAuth.getInstance().getCurrentUser().getEmail();
        usuarioID = FirebaseAuth.getInstance().getCurrentUser().getUid();


        mDatabase = FirebaseDatabase.getInstance().getReference("usuarios");

        mDatabase.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(@NonNull @NotNull DataSnapshot snapshot) {

            textViewEmail.setText(snapshot.getChildren(""));

            }

            @Override
            public void onCancelled(@NonNull @NotNull DatabaseError error) {

            }
        });



        //funções button Logout
        buttonLogout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mAuth.signOut();

                Intent intent = new Intent(getActivity(), activityLogin.class );
                startActivity(intent);

            }
        });


        return root;
    }



    @Override
    public void onDestroyView() {
        super.onDestroyView();
        binding = null;
    }

Here is the class I used to create the user for the registration (if it is needed).

public class UserModel {

    private String id;
    private String nome;
    private String sobrenome;
    private String email;

    public UserModel() {

    }

    public UserModel(String id, String nome, String sobrenome, String email) {
        this.id = id;
        this.nome = nome;
        this.sobrenome = sobrenome;
        this.email = email;
    }


    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getNome() {
        return nome;
    }

    public void setNome(String nome) {
        this.nome = nome;
    }

    public String getSobrenome() {
        return sobrenome;
    }

    public void setSobrenome(String sobrenome) {
        this.sobrenome = sobrenome;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public void salvar(){

        DatabaseReference reference = FirebaseDatabase.getInstance().getReference();
        reference.child("usuarios").child(getId()).setValue(this);
        
    }
}

The database is with registered users, and I wanted to take this data with name, surname and email and pass to a Textview.