FirebaseAuth.AuthStateListener not called in Fragment class
问题 My navigation drawer contained in MainActivity navigates to several Fragments. In the onCreate method of these Fragment classes, am trying to onAuthStateChanged to get the current user: FirebaseAuth.AuthStateListener mAuthListener; ... public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mAuthListener = new FirebaseAuth.AuthStateListener() { @Override public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) { user = firebaseAuth.getCurrentUser(); if