A new Flutter application.
Create a project in FireBase paste the json file under android->app . Good to go
This project is a starting point for a Flutter application.
A few resources to get you started if this is your first Flutter project:
For help getting started with Flutter, view our online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.
for doubts and query message me on linked in https://www.linkedin.com/in/yogeshkumar333/