This Android app is a fully functional real-time random video calling system built with Firebase and WebRTC using Java. Users can connect instantly with strangers based on gender preference and earn minutes through rewarded ads. The app features a clean UI, gender selection, profile matching, video call controls, and time-based minute deduction. Easy to customize, well-documented, and ready to publish on the Play Store.

• Real-time one-to-one video calling with anyone
• Gender-based user matching with preference selection(Guys, Girls, Both)
• Firebase Realtime Database integration for fast, secure backend
• Rewarded ads system to earn calling minutes
• Automatic time-based minute deduction during calls
• Modern and clean user interface with smooth navigation
• User can set gender preferences before connecting
• Google Sign-In authentication using Firebase Auth
• Next call button for instantly switching to a new random user
• Fully written in Java with clear, maintainable code structure
• Optimized for performance and low-latency video communication
• Ready for Play Store publishing with easy customization options

• Android Studio Ladybug Feature Drop 2024.2.2 or higher
• Java Development Kit JDK 21 or higher
• Minimum Android SDK version 26 (compatible with Android 8.0 Oreo and above)
• Firebase project with Realtime Database and Authentication
• Google AdMob account for rewarded video ads
• Internet connection required for WebRTC video calling
• Android device or emulator with camera and microphone access

1 Download and extract the ZIP file of the source code.

2 Open Android Studio and select "Open Project", then choose the extracted folder.

3 Let Gradle sync completely and wait for all required dependencies to install.

4 Create a Firebase project using the Firebase Console.

5 Add a new Android app in Firebase and enter the same package name as in the code.

6 Download the google-services.json file and place it in the app folder.

7 In Firebase Console, enable Google Sign-In from the Authentication section.

8 Enable Realtime Database and choose test mode to begin with.

9 Set read/write rules to allow authenticated users.

10 If you want to enable rewarded video ads, create an AdMob account and get a rewarded ad unit ID.

11 Replace the sample ad ID in the code with your actual AdMob rewarded ad unit.

12 Make sure your emulator or device has camera, mic, and internet access.

13 Run the app and test Google Sign-In, gender selection, and video calling.