Jawata QR Code Scanner

The purpose of this app is

1) to check the attendance of students in a classroom,

2) to check who has entered or left the school To that end, we scan student's QR codes 1) in the classroom or 2) in the entrance of the school respectively.
The targeted audience is respectively 1) the teachers for checking attendance, and 2) school staff who will scan student's QR codes as they enter or leave the school.