Android Question Time difference

[michele72]

I'm trying to make a schedule to record the times and the outputs from the work
I recorded the times in a database
For visualization I need to add the hours to find the total worked hours.
Could you give me some advice on how to proceed?

 

[Erel]

See my post here: https://www.b4x.com/android/forum/threads/summing-times.85302/#post-540747