Objective:

To build a lightweight, user-friendly mobile application that allows students to download and access learning content (videos, PDFs, quizzes) offline, ensuring continuous learning even without internet connectivity.

Key Features:

Student Features:

• Secure user registration and login

• Browse and download courses/modules for offline use

• Watch video lectures and read PDFs offline

• Attempt quizzes and save progress offline

• Sync progress when internet is available

• Storage management (see downloaded size, delete content)

• Low-data mode for downloading compressed materials

• Progress tracking and daily reminders

• In-app dark mode and font-size customization for readability

Instructor Panel (Web Portal):

• Upload courses with videos, notes, and quizzes

• Tag content as downloadable or online-only

• Track download stats and student engagement

• View offline quiz results after sync

Admin Panel (Web):

• Manage users, courses, content storage limits

• Monitor app usage analytics

• Set permissions for downloads and updates

• Handle data sync policies and content versioning

Tech Stack:

Workflow (Step-by-Step):

1. User Registration & Login

• Students register/login with email or phone number.

• Auth token stored securely for future sessions.

2. Course Browsing

• App fetches list of available courses from backend.

• Courses display tags like "Downloadable", "Requires Internet", "New".

3. Download for Offline Use

• Students tap “Download” to save:

  • Lecture videos

  • PDF notes

  • Quiz questions

• Files and metadata are saved using local storage (e.g., SQLite).

4. Offline Learning

• Students open downloaded modules:

  • Watch videos using in-app player

  • Read notes using PDF viewer

  • Attempt quizzes with answers stored locally

5. Syncing When Online

• When internet becomes available:

  • App syncs quiz results, progress, and bookmarks to the server

  • Updates check for new content or course updates

6. Instructor Monitoring (Web Portal)

• Instructors see:

  • Number of downloads

  • Quiz submissions after sync

  • Completion reports per module

7. Admin Monitoring

• Admins monitor app usage (active users, sync logs)

• Control how much content is allowed to be downloaded

• Push content updates and force syncs if needed

Optional Advanced Features:

• In-app notifications for sync reminders

• Language translation for notes and UI

• Compression options (HD/SD video download)

• Encrypted content downloads

• AI Assistant for offline doubt suggestions (preloaded FAQs)

Outcome:

This mobile app empowers students to continue learning without internet, especially in rural or low-connectivity areas. With auto-sync and offline capabilities, it provides flexibility and accessibility for every learner.