Bien qu'il s'agisse d'une vieille question à laquelle on a déjà répondu, peut-être que les prochains exemples peuvent compléter la réponse acceptée et peuvent être utiles pour certains nouveaux programmeurs sous Android comme je le suis.
Option 1 - "addToBackStack ()" n'est jamais utilisé
Cas 1A - ajouter, supprimer et cliquer sur le bouton Retour
Activity : onCreate() - onStart() - onResume() Activity is visible
add Fragment A : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment A is visible
add Fragment B : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment B is visible
add Fragment C : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment C is visible
remove Fragment C : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach() Fragment B is visible
(Back button clicked)
Activity : onPause() - onStop() - onDestroy()
Fragment A : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach()
Fragment B : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach() App is closed, nothing is visible
Cas 1B - ajouter, remplacer et cliquer sur le bouton Retour
Activity : onCreate() - onStart() - onResume() Activity is visible
add Fragment A : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment A is visible
add Fragment B : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment B is visible
(replace Fragment C)
Fragment B : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach()
Fragment A : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach()
Fragment C : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment C is visible
(Back button clicked)
Activity : onPause() - onStop() - onDestroy()
Fragment C : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach() App is closed, nothing is visible
Option 2 - "addToBackStack ()" est toujours utilisé
Cas 2A - ajouter, supprimer et cliquer sur le bouton Retour
Activity : onCreate() - onStart() - onResume() Activity is visible
add Fragment A : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment A is visible
add Fragment B : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment B is visible
add Fragment C : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment C is visible
remove Fragment C : onPause() - onStop() - onDestroyView() Fragment B is visible
(Back button clicked)
Fragment C : onCreateView() - onActivityCreated() - onStart() - onResume() Fragment C is visible
(Back button clicked)
Fragment C : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach() Fragment B is visible
(Back button clicked)
Fragment B : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach() Fragment A is visible
(Back button clicked)
Fragment A : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach() Activity is visible
(Back button clicked)
Activity : onPause() - onStop() - onDestroy() App is closed, nothing is visible
Cas 2B - ajouter, remplacer, supprimer et cliquer sur le bouton Retour
Activity : onCreate() - onStart() - onResume() Activity is visible
add Fragment A : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment A is visible
add Fragment B : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment B is visible
(replace Fragment C)
Fragment B : onPause() - onStop() - onDestroyView()
Fragment A : onPause() - onStop() - onDestroyView()
Fragment C : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment C is visible
remove Fragment C : onPause() - onStop() - onDestroyView() Activity is visible
(Back button clicked)
Fragment C : onCreateView() - onActivityCreated() - onStart() - onResume() Fragment C is visible
(Back button clicked)
Fragment C : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach()
Fragment A : onCreateView() - onActivityCreated() - onStart() - onResume()
Fragment B : onCreateView() - onActivityCreated() - onStart() - onResume() Fragment B is visible
(Back button clicked)
Fragment B : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach() Fragment A is visible
(Back button clicked)
Fragment A : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach() Activity is visible
(Back button clicked)
Activity : onPause() - onStop() - onDestroy() App is closed, nothing is visible
Option 3 - "addToBackStack ()" n'est pas toujours utilisé (dans les exemples ci-dessous, w / o indique qu'il n'est pas utilisé)
Cas 3A - ajouter, supprimer et cliquer sur le bouton Retour
Activity : onCreate() - onStart() - onResume() Activity is visible
add Fragment A : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment A is visible
add Fragment B w/o: onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment B is visible
add Fragment C w/o: onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment C is visible
remove Fragment C : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach() Fragment B is visible
(Back button clicked)
Fragment B : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach()
Fragment A : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach() Activity is visible
(Back button clicked)
Activity : onPause() - onStop() - onDestroy() App is closed, nothing is visible
Cas 3B - ajouter, remplacer, supprimer et cliquer sur le bouton Retour
Activity : onCreate() - onStart() - onResume() Activity is visible
add Fragment A : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment A is visible
add Fragment B w/o: onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment B is visible
(replace Fragment C)
Fragment B : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach()
Fragment A : onPause() - onStop() - onDestroyView()
Fragment C : onAttach() - onCreate() - onCreateView() - onActivityCreated() - onStart() - onResume() Fragment C is visible
remove Fragment C : onPause() - onStop() - onDestroyView() Activity is visible
(Back button clicked)
Fragment C : onCreateView() - onActivityCreated() - onStart() - onResume() Fragment C is visible
(Back button clicked)
Fragment C : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach()
Fragment A : onCreateView() - onActivityCreated() - onStart() - onResume() Fragment A is visible
(Back button clicked)
Fragment A : onPause() - onStop() - onDestroyView() - onDestroy() - onDetach() Activity is visible
(Back button clicked)
Activity : onPause() - onStop() - onDestroy() App is closed, nothing is visible