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📹 Interact — Video Calling Android Application

A powerful group video calling Android app built using VideoSDK, offering real-time multi-user conferencing, screen sharing, call recording, and AI-powered transcription with summary generation.

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👥 Contributors

• Namit Jain (2022315)
• Saurav Haldar (2022464)
• Vipul Mishra (2022596)
• Satyam (2022462)

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📽️ Demo Video

🔗 Click here to view the demo on YouTube

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📱 Screenshots

Create / Join	In-Call Chat	Screen Share

📌 [Replace with actual screenshots]

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✨ Features

• 🔗 Join/Create Meetings — Secure multi-user group calls.
• 🎙️ Real-Time Audio/Video — Low-latency video communication.
• 💬 In-Call Messaging — Chat with participants during calls.
• 🎚️ Mic & Camera Control — Toggle audio/video with ease.
• 🎧 Audio Device Picker — Switch between speaker, Bluetooth, headset, etc.
• 🖥️ Screen Sharing — Share your phone screen in real time.
• 🔴 Recording — Record your meetings.
• 🧠 Live Transcription + Summarization — AI-generated real-time transcripts and smart summaries.
• ☁️ AWS Integration — Recordings and summaries are auto-uploaded to AWS S3.
• 📶 Network Feedback — Visual indicator for connectivity quality.

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🛠️ Tech Stack

Tech	Purpose
Kotlin	Native Android development
VideoSDK	Real-time video, audio, and screen sharing
AWS S3	Cloud storage for recordings and transcripts
Firebase Crashlytics (optional)	Crash/error logging
Material Design	Clean and modern UI
Fast Android Networking	Fast HTTP requests

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📂 Project Structure

app/
├── activity/              # Activities for call setup and group call
├── fragment/              # Create / Join / Navigation fragments
├── adapter/               # RecyclerView adapters (chat, audio, etc.)
├── listener/              # API response interface
├── modal/                 # Model classes
├── utils/                 # Utility functions and API interactions
├── MainApplication.kt     # Global app setup
└── RobotoFont.kt          # Font configuration

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🔍 Component Highlights

🎬 Activity Files

• CreateOrJoinActivity.kt — Handles UI and logic for meeting creation or joining.
• GroupCallActivity.kt — Manages the meeting lifecycle, video/audio streams, recording, transcription, AWS uploads, and in-call features.

🧩 Fragments

• CreateMeetingFragment.kt — Creates a new VideoSDK meeting.
• JoinMeetingFragment.kt — Validates and joins existing meeting.
• CreateOrJoinFragment.kt — Entry point fragment UI.

🔌 Adapters

• AudioDeviceListAdapter, DeviceAdapter — Audio output device selector.
• MessageAdapter — In-call chat UI.
• LeaveOptionList — Meeting exit menu.

⚙️ Utilities

• HelperClass.kt — UI + logic helpers.
• NetworkUtils.kt — Token, meeting creation/join, AWS uploads.

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🚀 Installation

📋 Prerequisites

• Android Studio Arctic Fox or newer.
• Android SDK Level 24+.
• A valid VideoSDK Auth Token.
• AWS S3 Bucket (for storage).

🧑‍💻 Setup

git clone https://github.com/Namitjain07/Interact
cd Interact

1. Open the project in Android Studio.

2. Configure local.properties:

   auth_token=<YOUR_VIDEOSDK_TOKEN>

3. Connect a physical device/emulator.

4. Click Run ▶️ in Android Studio.

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🧪 Usage

1. Launch the app.

2. Tap "Create Meeting" or "Join Meeting".

3. Grant necessary permissions (camera, mic, screen).

4. Enjoy the call:

   • Share your screen
   • Record the session
   • Chat in real-time
   • Watch transcription live

5. End the call — recording & summary auto-uploaded to AWS.

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📦 Future Enhancements

• ✅ Meeting scheduling & calendar sync
• 🔒 End-to-end encryption
• 🌐 WebRTC-based low-latency mode
• 📊 In-app dashboard for past meeting logs

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📄 License

This project is open-source for educational purposes.

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💬 Feel free to fork, star ⭐, or contribute!