README.md

ChatterApp

ChatterApp is a modern, real-time messaging application developed with Kotlin and Jetpack Compose. This app provides a seamless chat experience using Firebase for real-time messaging and authentication, implementing the latest Android development practices.

Features

• Real-Time Messaging: Instantly receive and send messages using Firebase Realtime Database.
• Firebase Authentication: Secure user authentication and sign-up.
• Push Notifications: Receive push notifications for new messages through Firebase Cloud Messaging.
• Jetpack Compose UI: Built entirely with Jetpack Compose, creating a responsive, smooth, and engaging user experience.
• Efficient Navigation: Structured navigation with parameterized screen transitions.
• Dependency Injection: Uses Dagger Hilt for cleaner, modularized code.

Architecture

The application is based on MVVM architecture combined with a clean architecture pattern. Key components include:

• MVVM (Model-View-ViewModel): Separates concerns to enhance code readability and testing.
• Repository Pattern: Centralizes data management and abstracts data sources, making the app robust and maintainable.
• Firebase Messaging Service: Manages background notifications, displaying messages via NotificationCompat.
• Custom Navigation Setup: Parameterized navigation using NavController, enabling seamless screen transitions.

Key Modules & Components

Data Models

• Channel: Represents a chat channel, with properties such as id, name, and createdAt initialized with timestamps.
• Message: Encapsulates message details including senderId, receiverId, message, and timestamp.

Screens

• LogInScreen and SignUpScreen: Firebase Authentication integration for user sign-in and registration.
• HomeScreen: Displays available channels, search functionality, and an option to add new channels.
• ChatScreen: Real-time chat interface displaying message bubbles with user-specific styling.

UI Components

• ChannelCard: Composable for presenting individual channels in a list format, with clickable navigation to specific chat screens.
• ChatBubble: Custom chat bubble style with unique designs for sent and received messages.

Firebase Integration

• Firebase Authentication: Manages secure user login and registration.
• Firebase Realtime Database: Provides real-time updates for channels and messages.
• Firebase Cloud Messaging (FCM): Delivers notifications for new messages.

Setup & Installation

1. Clone the repository:

   https://github.com/muameh/ChatAppWithJetpackCompose.git
   
   

Screenshots

Below are some screenshots of the app in action: