Show food - all the code

package com.example.finalapp;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.widget.TextView;

import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import com.squareup.picasso.Picasso;

public class ShowFood extends AppCompatActivity {

   private DatabaseReference ref,DataRef;

    private TextView des;
    private TextView name;

    private String currentUserID;

    public static final String NAME_OF_FIREBASE_USER = "user";


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_show_food);

        des=findViewById(R.id.showeditdescription);
        name=findViewById(R.id.showeditFoodname);



        String id = getIntent().getStringExtra("id");

        ref = FirebaseDatabase.getInstance().getReference("Food");



        ref.child(id).addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
                if (dataSnapshot.exists())
                {
                    String foodName=dataSnapshot.child("foodName").getValue().toString();
                    String description=dataSnapshot.child("description").getValue().toString();

                    name.setText(foodName);
                    des.setText(description);

                    String idName =dataSnapshot.child("id").getValue().toString();

                    findPhoneUser(idName);

                }
            }

            @Override
            public void onCancelled(@NonNull DatabaseError databaseError) {

            }
        });

    }

    public void findPhoneUser (String idUser) {
        DatabaseReference refUsers = FirebaseDatabase.getInstance().getReference("Users");

        refUsers.child(idUser).addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
                String phoneOfUser = dataSnapshot.child("phone").getValue().toString();


            }

            @Override
            public void onCancelled(@NonNull DatabaseError databaseError) {

            }
        });
    }
}