Update common post in different ListView with different data in adapter

Question

Assume That an app Firstly List all post in a ListView in Fragment ( 1st ) with a custom adapter. and that custom adapter data is

Answer 1

You can explicitly force the back button state to not be added to the back stack with transaction.addToBackStack(null). You can then override the back button (inside onBackPressed()) and insert whatever behavior you need. I'm not sure I'm following everything above, but I think that this combo will take care of the fundamental issue you address.