I open Fragment_A and I perform some actions, I open Fragment_B and I perform some actions. I want to close Fragment_B and tell Fragment_A that Fragment_B has closed.

onResume and onStart do not work.
Fragment_A cannot be closed (data is deleted).

  • one
    where is the fragment A at this time? - Georgiy Chebotarev
  • Fragment 1 (interface) => activation => nonull fragment method 2 - Jarvis_J
  • I did as it is written here metanit.com/java/android/8.5.php can and will suit you, look - dubok79

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