It should be considered confidential . The json file that is generated contains an api_key that you can use to send push notifications. As you can see in this post, the api key just identifies your Firebase project on the Google servers. It is not a security risk for someone to know it.
Read moreWhere to put Google services json in react native?
Go to Project Settings and under the General tab. Click on Your Apps , add an Android application, and download your google-services. json file – you need to put this in the root of your projects android directory .
Read moreHow do I get Google services json for Flutter?
Android – How to get the Google Services Json
Read moreHow do I get Google services json from Firebase?
Get config file for your Android app
Read moreHow do I use Firebase analytics flutter?
To use Firebase Analytics in a Flutter application, first you have to integrate the project with the Firebase account.
Read moreHow do I use Firebase analytics?
Step by Step Implementation
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