I'm using a custom ListFragment to load asyncronusly json data and show it. When I click on a row, the fragment is detached and added to the back stack, and a new fragment is loaded to show details about the row selected. When the user press the back button, the listfragment is correctly popped from the back stack, but I've problems to understand if I've to request data from remote server or not (data alredy downloaded and shown). Which's the best practice to do that? What function I've to override to request remote data, save fragment state and attache adapter to the listview?
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