How do I resolve Firebase configuration errors with the Pushwoosh Unity SDK?

Configuration errors with Firebase Cloud Messaging (FCM) can prevent your app from registering for push notifications. These issues often stem from a mismatch between your Firebase project settings and the configuration within your Unity project.

Follow this checklist to ensure your configuration is correct:

1. Check Pushwoosh Resource Files: The Pushwoosh plugin includes its own resource files. Verify that the file at Assets/Plugins/Android/pushwoosh-resources.androidlib/res/values/googleservices.xml contains your project's actual Firebase Sender ID. If you used a sample project as a template, this file might contain placeholder data that you need to replace manually.

2. Verify google-services.json:

   • Ensure the google-services.json file you downloaded from your Firebase project is placed correctly in your Unity project's Assets folder.
   • Confirm that the project_number (your Sender ID) and package_name inside this file are correct.

3. Align Pushwoosh & Firebase Settings:

   • In your Firebase Console, make sure you have added an Android app to your project, and that its package name matches your Unity application's package name exactly.
   • In the Pushwoosh Control Panel, navigate to your application's Android platform settings and confirm that the Package name and FCM Server Key match the values from the same Firebase project.