VolunteerHub is an Android application designed to facilitate the management of volunteer activities between organizations and volunteers in one integrated platform.

This application allows organizations to create, manage, and monitor volunteer events, as well as manage registered participants for each activity. Volunteers can view a list of available events, register as participants, and monitor their registration status.

Key features:
- Event management by organization (create, edit, and delete events)
- Volunteer registration for events
- Participant approval system by organization (pending, approved, rejected)
- Event participant list with approval controls
- Detailed event information (date, location, capacity, description)
- History of events attended by volunteers
- Account-based user authentication
- Access restrictions based on roles (organization and volunteer)

VolunteerHub is designed to facilitate the process of coordinating volunteer activities in a more structured, transparent, and organized manner through a mobile application.