Pingster is a feature-rich, real-time chat application developed using Flutter and Firebase. This project demonstrates proficiency in mobile app development, state management, real-time data synchronization, and implementation of complex features in a user-friendly interface.

Email and password-based signup and login

Password reset functionality

Persistent login state

Text, audio, image, and video message support

Real-time message synchronization

Message editing and deletion

Reply to specific messages

Typing indicators

Pinned messages

Secret messages with auto-deletion

Message reactions

Audio recording and playback

File sharing

Profile picture upload and update

User search functionality

Folder-based chat organization

Customizable chat themes

End-to-end encryption for messages

User blocking functionality

Secure file storage and sharing

Intuitive and responsive user interface

Dark mode support

Animated transitions and loading indicators

Frontend: Flutter SDK

Backend: Firebase (Authentication, Firestore, Storage)

State Management: Provider

Routing: go_router

API Integration: Firebase SDK

Local Storage: SharedPreferences

Encryption: encrypt package

Media Handling: image_picker, video_player, flutter_sound

UI Components: Custom widgets, animate_do for animations

MVVM Architecture: Separation of UI (View) from business logic (ViewModel) and data (Model)

Repository Pattern: For data management and abstraction of data sources

Provider Pattern: For efficient state management and dependency injection

Singleton Pattern: Used in services like FirebaseService for a single point of access

Real-time Synchronization: Implemented Firebase listeners for real-time updates, ensuring smooth message delivery and status changes.

Media Handling: Developed a robust system for recording, uploading, and playing various media types, including custom audio player controls.

End-to-End Encryption: Implemented message encryption using the AES algorithm, ensuring privacy and security of user communications.

Performance Optimization: Utilized lazy loading and pagination for chat messages to improve app performance with large datasets.

Cross-platform Compatibility: Ensured consistent behavior and appearance across iOS and Android platforms through extensive testing and platform-specific adjustments.

Implement voice and video calling features

Add support for group chats

Integrate push notifications for new messages

Implement message translation for multi-language support

Add more customization options for chat themes and user preferences

Pingster showcases advanced Flutter development skills, demonstrating the ability to create a complex, feature-rich application with a focus on user experience and performance. The project highlights proficiency in state management, API integration, and implementation of intricate features like real-time messaging and end-to-end encryption.