Event Pulse - Real-Time Club Event Polling

Author: Subrat Dwivedi

Technology Stack: Flutter, Firebase, Firestore

Purpose: A light-weight app/web tool for clubs to run live polls, Q&As or collect instant feedback during events.

Visit - Event Pulse ↗️

Example

use this poll id kwHTrpGvqIEzLaAPWuzt to join a pre-created poll.

📌 Project Overview

The Event Pulse allows users to:

• Create Polls with multiple-choice questions.
• Join Polls using a unique Poll ID.
• Vote on Polls by selecting an answer.
• View Results dynamically updated in Firestore.

---

📜 Application Structure

lib/
├── main.dart            # Entry point of the app
├── pages/
│   ├── home_page.dart    # Main screen with navigation buttons
│   ├── create_poll.dart  # Poll creation screen
│   ├── join_poll.dart    # Poll voting interface
│   ├── poll_results.dart # Poll results display
│   ├── view_polls.dart   # View user's created polls

---

🗂️ Firebase Structure

Collections:

polls/

Stores poll metadata:

{
  "pollId": "abc123",
  "title": "Best Programming Language?",
  "createdBy": "user123",
  "questions": [
    {
      "questionId": "q1",
      "question": "Which language do you prefer?",
      "choices": ["Python", "JavaScript", "C++"]
    }
  ]
}

polls/{pollId}/questions/{questionId}/responses/

Stores user responses:

{
  "userId": "xyz456",
  "selectedChoice": "Python"
}

---

🚀 Features & Functionality

Create Poll

• Users enter a poll title and create questions with multiple choices.
• Data is stored in Firestore.

Join Poll

• Users enter a Poll ID and select their choices.
• Answers are stored dynamically.

View Poll Results

• Poll results are retrieved in real-time.
• Votes are counted and displayed.

---

📅 Future Enhancements

• 🎨 UI Improvements → Advanced button animations, custom theme support.
• 📊 Analytics & Charts → Integrate graphs to visualize poll data.
• 🔗 Sharing Poll Links → Enable users to copy & share poll links.

---

🚨 Major Issues Faced

1️⃣ White Screen on Deployment (Flutter Web)

• Cause: Improper Firebase initialization or missing dependencies.
• Fix: Ran flutter clean, ensured Firebase was properly initialized in main.dart, and corrected Web deployment settings.

2️⃣ Firebase Authentication Errors

• Cause: Firebase Auth wasn’t registering listeners properly.
• Fix: Ensured firebase_options.dart contained correct API keys and re-enabled Anonymous Auth in Firebase Console.

3️⃣ Old Input Persisting in Dialog

• Cause: TextEditingController retained previous entries.
• Fix: Cleared controllers using joinPollId.clear() when opening dialog.

4️⃣ Polls List Showing All Polls Instead of User’s

• Cause: Missing filtering for user-created polls.
• Fix: Used .where('createdBy', isEqualTo: userId) to fetch only the polls created by the logged-in user.

5️⃣ Poll Results Layout Overflowing

• Cause: ListView.builder inside a Column caused overflow issues.
• Fix: Wrapped the list in Expanded to ensure dynamic resizing.

---

🔗 Additional Resources

• Flutter Docs
• Firebase Firestore Docs
• GitHub Repo