FirebaseFirestore has already been started and its settings can no longer be changed

Question

I am trying to turn off persistence for an activity but I am getting the message above. Here is how I am configuring the settings in onCreate():

        mFirestore = FirebaseFirestore.getInstance();
        FirebaseFirestoreSettings settings = new FirebaseFirestoreSettings.Builder().setPersistenceEnabled(false).build();
        mFirestore.setFirestoreSettings(settings);

Where do I call this if not right after?

Are you saying you only want to disable persistence it for a particular activity, but not for the entire app? — Doug Stevenson, Nov 15 '18 at 23:17
I only need it for one activity. I'm indifferent for the rest. Is my assumption below correct? — andrewedgar, Nov 15 '18 at 23:18
Yeah, you can't toggle it on or off after you use the APIs for the first time. — Doug Stevenson, Nov 15 '18 at 23:26

score 1 · Accepted Answer · answered Nov 15 '18 at 23:17

1

Looks like you have to set the settings in your very first activity when your app opens and have them persist throughout.

answered Nov 15 '18 at 23:17

andrewedgar

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Any ideas on how to inline check this for an app that can follow less linear UI flows? (For instance a deeplink that opens C and then user backs up from C->B->A, but A wasn't initially launched and that is where the settings are? Filtering all opens through a Splash/Activity_0 which sets the Firestore settings is not as efficient as a simple inline check that prevents an app crash.) – Mr.Drew Aug 18 '19 at 07:38

FirebaseFirestore has already been started and its settings can no longer be changed

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