Set data for every user after the login?

Question

I want every user to have a unique number when he enters this number is attached to his google provider email in firebase data.

Like user, A has number:324492 and no one has the same number but him

ps: I just want to know the method I will use to make something like this and I will do the rest and if the user can make calls with the number later or not.

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Answer 1

After login you save user Number in shared-preference, and when user logout remove from shared preference.

But you have to check user Number in initState , if you don't login user every time