How to ask for username and profile photo only at first login

[themaayur (Mayur Berad)]

You can use Firebase Authentication for that
This will help you

Firebase Authentication Template

Months after my original Firebase Login Template was released and fairly well-received by the community. I’m happy to present to you, the all new Firebase Authentication Template. A lot’s changed, but here’s the important details: Unified Logon! It’s a user management system that relies on Realtime Database instead of Auth. It allows for logging in or signing up with the same button, and will be integrated in the future with other services I make, in the same framework. Firebase Auth! T…