Обновление данных из балы FireBase

//nav_header_main.xml
 
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="@dimen/nav_header_height"
    android:background="@color/colorPrimaryDark"
    android:gravity="center_horizontal"
    android:orientation="vertical"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:theme="@style/ThemeOverlay.AppCompat.Dark">
 
    
 
    <TextView
        android:id="@+id/user_profile_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:paddingTop="@dimen/nav_header_vertical_spacing"
        android:text="@string/nav_header_title"
        android:textSize="20sp"
        android:textAppearance="@style/TextAppearance.AppCompat.Body1" />
 
</LinearLayout>

Фрагмент кода HomeActivity
 
NavigationView navigationView = findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);
 
        View headerView = navigationView.getHeaderView(0);
        TextView userNameTextView = headerView.findViewById(R.id.user_profile_name); 
        
 
        userNameTextView.setText(Prevalent.currentOnlineUser.getName());// ОБНОВЛЯЕТ TextView "user_profile_name" в nav_header_main.xml
        
 
        recyclerView = findViewById(R.id.recycler_menu);
        recyclerView.setHasFixedSize(true);
        layoutManager = new LinearLayoutManager(this);
        recyclerView.setLayoutManager(layoutManager);

Фрагмент кода SettingsActivity
 
 
 private void updateOnlyUserInfo() {
        DatabaseReference ref = FirebaseDatabase.getInstance().getReference().child("Users");
 
        HashMap<String, Object> userMap = new HashMap<>();
        userMap. put("name", fullNameEditText.getText().toString());
        userMap. put("address", addressEditText.getText().toString());
        userMap. put("phoneOrder", userPhoneEditText.getText().toString());
        ref.child(Prevalent.currentOnlineUser.getPhone()).updateChildren(userMap);
 
        startActivity(new Intent(SettingsActivity.this, HomeActivity.class));
        Toast.makeText(SettingsActivity.this, "Успешно сохранено", Toast.LENGTH_SHORT).show();
        finish();
    }