This Android application is developed to assist a training center in managing course offerings, registrations, and the admission process. The training center specializes in providing short courses in various subjects, including Java programming, C++ programming, Python, AI, project management, and more. The application caters to three different types (roles) of users: center admin, trainee, and instructor.

1. User Roles:

   • Center Admin: Manages course offerings, registrations, and admissions.
   • Trainee: Enrolls in courses and manages personal information.
   • Instructor: Manages course content, assessments, and attendance.

2. Authentication:

   • Users can sign up, sign in, and logout.
   • Supports any number of users for each role.

3. Course Management:

   • Displays the five most recently added courses available for registration upon application startup.
   • Admins can add, edit, or remove courses.

4. Registration and Admission:

   • Trainees can register for available courses.
   • Admins manage the admission process.