I am about to work on a small B4J application - Attendance logging for the time in and time out.
The organization has about 15 employees. Also, the application is expected to work offline, and on a single machine.
My concern is If I use system time for the logs, it is possible for some employees to figure out by changing the system time backwards before logging for the system to pick their time?
My question is:
1. Is there any other system time I can access which cannot be changed by just changing system clock?
2. If no to above, is there any other way I can use to detect if someone has tempered with the date and time during the app use?
3. Can I run app in background (something like Service in B4A) which I can use to set my own time and date within the application?