🚀 Chat App

A modern, lightweight, and secure chat app for Android.

✨ Features

✅ Real-time messaging 🔥
✅ Secure authentication 🔒
✅ Push notifications 📢

📸 Screenshots

Welcome Screen	SignUp Screen	Login Screen	Chat Page

⚡ Installation

1. Clone the repository

   git clone https://github.com/ahmadreduan/Chat-App.git  

2. Open in Android Studio
3. Add Firebase Configuration
   • Place google-services.json in the app folder.
4. Run the app! 🚀

📚 Topics Covered

🔹 Project Setup & Firebase Integration

• Creating an Android project
• Connecting Android Studio with Firebase
• Firebase Authentication (Email & Google Sign-In)
• Saving and retrieving user data from Firebase
• Uploading profile pictures to Firebase Storage

🔹 User Interface & Navigation

• Sign Up & Sign In Activity layout design
• ViewPager integration for main activity
• Showing user list similar to WhatsApp
• Implementing RecyclerView for chat users

🔹 Chat & Messaging Features

• Chat detail activity layout design
• Sending & receiving messages in real-time
• Designing chat bubbles (Sender & Receiver)
• Implementing group chat functionality

🔹 Advanced Features

• Logout functionality
• Showing last message in the user list
• Updating user profile images dynamically
• Handling errors and input validation

🔹 App Deployment

• Building and exporting APK in Android Studio

⚙️ Technology Stack

Tech	Purpose
Java	Programming Language
Firebase Auth	User Authentication
Firebase DB	Real-time Messaging

🤝 Contributing

Pull requests are welcome! If you want to contribute, feel free to open an issue first to discuss changes.