Firebase is a mobile platform that helps you quickly develop high-quality apps, grow your user base, and earn more money. Here is the code you can use to implement Firebase in an Android app:

1. Add Firebase to your Android project:

• Go to the Firebase console and click “Add project.”
• Follow the on-screen instructions to create a new project.
• Click “Add Firebase to your Android app” and enter your app’s package name.
• Download the config file and move it to your app’s module root directory.

2. Add the config file to your project:

• In Android Studio, open the project’s “build.gradle” file and add the following line to the dependencies section:

• Sync the project with the gradle file by clicking “Sync Now.”

3. Initialize Firebase in your app:

• In your app’s main activity, add the following code to initialize Firebase:

FirebaseApp.initializeApp(this);

That’s it! You have now successfully implemented Firebase in your Android app. You can then use Firebase’s various features and services, such as analytics, authentication, and real-time database, in your app.