Google Firebase Android

1. Real-time Database
2. Authentication
3. Cloud Firestore
4. Cloud Messaging
5. Cloud Storage

Before learning Google Firebase for Android, it's beneficial to have:

1. Java or Kotlin Programming: Proficiency in Java or Kotlin, the primary languages used for Android app development.
2. Android Development Basics: Understanding of Android app development concepts, such as activities, fragments, layouts, and views.
3. XML: Knowledge of XML for designing user interfaces in Android apps.
4. HTTP and RESTful APIs: Familiarity with HTTP protocol and RESTful API concepts for interacting with backend services.

By learning Google Firebase for Android, you gain:

1. Backend Integration: Ability to integrate Android apps with Firebase backend services such as real-time database, authentication, and cloud storage.
2. User Authentication: Proficiency in implementing user authentication features using Firebase Authentication, including email/password, social authentication, and phone number authentication.
3. Real-time Data Synchronization: Skills to enable real-time data synchronization between Android apps and Firebase backend using Firebase Realtime Database or Cloud Firestore.
4. Push Notifications: Capability to implement push notifications in Android apps using Firebase Cloud Messaging (FCM) to engage users and deliver timely updates.