Following are the dependencies added in pubspec.yaml
firebase_core: ^0.5.2 firebase_auth: ^0.18.3 firebase_crashlytics: ^0.2.3
I update the gradle-wrapper.properties like this: as seen somewhere as a solution to below issues. distributionUrl=https://services.gradle.org/distributions/gradle-5.6.4-all.zip
Firebase console shows the successful installation as below

Still we are getting below
E/AndroidRuntime(10914): java.lang.RuntimeException: Unable to get provider com.google.firebase.provider.FirebaseInitProvider: java.lang.IllegalStateException: The Crashlytics build ID is missing. This occurs when Crashlytics tooling is absent from your app's build configuration. Please review Crashlytics onboarding instructions and ensure you have a valid Crashlytics account. E/AndroidRuntime(10914): at android.app.ActivityThread.installProvider(ActivityThread.java:6905) E/AndroidRuntime(10914): at android.app.ActivityThread.installContentProviders(ActivityThread.java:6497) E/AndroidRuntime(10914): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:6437) E/AndroidRuntime(10914): at android.app.ActivityThread.access$1800(ActivityThread.java:229) E/AndroidRuntime(10914): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1898) E/AndroidRuntime(10914): at android.os.Handler.dispatchMessage(Handler.java:102) E/AndroidRuntime(10914): at android.os.Looper.loop(Looper.java:148) E/AndroidRuntime(10914): at android.app.ActivityThread.main(ActivityThread.java:7402) E/AndroidRuntime(10914): at java.lang.reflect.Method.invoke(Native Method) E/AndroidRuntime(10914): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230) E/AndroidRuntime(10914): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
Please advice.