GEOMARK

Automated Attendance Tracking & Validation

Attendance Recorder Using QR Codes and Geolocation Scanning – a mobile application for iOS and Android that enables efficient attendance tracking in universities through QR code scanning and geolocation

About the Project

The client, a university, required a mobile solution to simplify attendance tracking for teachers and students. Traditional methods were time-consuming and prone to inaccuracies, prompting the client to seek a technology-driven approach.

The app needed to allow teachers to generate daily QR codes, which students would scan to record their attendance. However, to ensure attendance accuracy, the client wanted to integrate a geolocation feature so that scanning could only be considered valid within a specified radius of the classroom. Synec partnered with the client to design and develop a user-friendly app that automates attendance recording, enhances accuracy, and reduces administrative burden.

  • Custom Mobile App Development (iOS & Android)
  • QR Code Generation and Scanning
  • GPS-based Validation
  • Firebase Realtime Database and Authentication Integration
  • Cloud Storage and Data Management
  • UI/UX Design
  • System Maintenance

Features

  • QR Code-Based Attendance Tracking

    Synec implemented a system where teachers generate unique daily QR codes for students to scan via smartphones. This prevents misuse and speeds up attendance recording.

  • Geolocation-Based Attendance Validation:

    Integrating GPS-based geofencing ensure students are within a set classroom radius before scanning the QR code. This prevents remote attendance marking and ensures accuracy.

  • Real-time Attendance Updates

    Synec implemented Firebase Realtime Database to instantly update records after QR scanning and geolocation verification. Teachers can view attendance status and reports in real-time.

UI/UX

Other Features

  • Multiple User Roles

    Supports teachers and students with distinct access to different features.

  • Firebase Authentication

    Ensures secure login for teachers and students, restricting access based on user roles.

  • Attendance Reports

    Students view attendance rates; teachers generate filtered reports by class, date, or student.

  • Offline Mode Scanning

    Allows offline QR code scanning; syncs with Firebase when an internet connection is restored.

  • Push Notification

    Teachers can send reminders or schedule changes to students via in-app push notifications.

  • QR Code Expiration

    QR codes expire after each session or set timer after code generation.

  • Custom Geofence

    Teachers can adjust the geofence radius to suit classroom size or event location.

  • Cloud Backup

    Attendance data is securely stored in Firebase Cloud, accessible anytime from any device.

  • Insights Dashboard

    Visualizes attendance trends, individual performance, and class averages for teachers.

Tech Stack

Flutter for cross-platform compatibility (iOS & Android)

Firebase Realtime Database for real-time attendance tracking and Firebase Authentication for secure login

ZXing library for generating and scanning QR codes

  • Google Maps API for geofencing and location-based validation

Firebase Cloud Storage for secure data backups and record management

Firebase Cloud Messaging (FCM) for class reminders and alerts

SQLite for storing QR scans and attendance records locally when offline

SSL encryption and secure token-based authentication for user data protection

By leveraging these advanced technologies, Synec delivered a feature-rich mobile app that automates attendance tracking while ensuring accuracy and security. With QR code scanning and geolocation validation, teachers can efficiently manage daily attendance, and students can easily mark their presence without delays or administrative complexity. The app is designed to work seamlessly even in offline scenarios, ensuring uninterrupted functionality.

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