SAM - Scan Attendance Manager

Invalid date

1. Improved scanning interface.
2. New preference: set a delay between continuous scans.
3. New preference: disable adding a Student from scan.
4. New preference: set maximum scans per day.
5. New Alert: override max scans.
6. New preference to prevent inactive Student scanning.
7. New Student Status feature to track inactive Students.
8. New Student Notes feature to save important notes.
9. Improved Android image gallery refresh for Student Card images.
10. Improved User Guide.