I am using multiple firebase projects in an Android App. I am getting this error : Missing google_app_id. Firebase Analytics disabled

Question

I have added following code to initialise there projects.

FirebaseOptions options = new FirebaseOptions.Builder()
            .setApplicationId("1:129574837465:android:0123456773a52cf4f6") // Required for Analytics.
            .setApiKey("iubdeibneh8gzDt7Xn9f-jdjjdjdjdj") // Required for Auth.
            .setDatabaseUrl("https://databasename-d7r7.firebaseio.com") // Required for RTDB.
            .build();

FirebaseApp.initializeApp(context /* Context */, options, "secondary");


FirebaseOptions options2 = new FirebaseOptions.Builder()
            .setApplicationId("1:129574837465:android:0123456773a52cf4f6") // Required for Analytics.
            .setApiKey("iubdeibneh8gzDt7Xn9f-jdjjdjdjdj") // Required for Auth.
            .setDatabaseUrl("https://databasename2-d7r7.firebaseio.com") // Required for RTDB.
            .build();

FirebaseApp.initializeApp(context /* Context */, options2, "secondary2");


FirebaseOptions options3 = new FirebaseOptions.Builder()
            .setApplicationId("1:129574837465:android:0123456773a52cf4f6") // Required for Analytics.
            .setApiKey("kjdkj-o_3nk4jn4k3kjk23j") // Required for Auth.
            .setDatabaseUrl("https://databasename3-d7r7.firebaseio.com") // Required for RTDB.
            .build();

FirebaseApp.initializeApp(context /* Context */, options3, "secondary3");

After initialisation my app is running fine. I can use FirebaseAuth, and FirebaseRTDB just fine but it is throwing error when it has to access firebase_Application_Id for analytics.

I have cross checked the ids from google-services.json files of all the projects. I don't know why but it throws error saying:

Missing google_app_id. Firebase Analytics disabled.

I couldn't figure out the root of this error.

Answer 1

In my case the problem was with incomplete Firebase configuration.

I was missing

buildscript {
    ...
    dependencies {
        ...
        classpath 'com.google.gms:google-services:4.3.3' // google-services plugin
    }
}

allprojects {
    ...
    repositories {
        google()
    }
}

from build.gradle.

And

// ADD THIS AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'

from app/build.gradle.