Preventing the back button from cancelling a DialogFragment
How about using setCancelable? Did you try it?
From the Docs:
Control whether the shown Dialog is cancelable. Use this instead ofdirectly calling Dialog.setCancelable(boolean), because DialogFragmentneeds to change its behavior based on this
For custom DialogFragment
Add isCancelable = false at onCreateDialog
DialogFragment newFragment = YourFragment.newInstance(); newFragment.setCancelable(false); newFragment.show(fragmentTransaction, "dialog");Add setCancelable(false) before you .Show() the fragment
I'm not at all sure if this'll work with FragmentDialogs, but if the setCancelable didn't work for you, it might be worth having a look at this article: Android: Prompt user to save changes when Back button is pressed
It explains how to detect the back button being pressed. So maybe you can suppress the button press and it'll stop the dialog from closing?