Anton - add pls get and sending coords by event time.
Now all coords get and send all time - even that the car are not moving or it's night now
If you want to avoid multiple GPS reports with the same location when the car is not moving, you can enable filtering by distance on the server side:
Problem is thst the phone "eats" battery -
Are you using Traccar Client on Android? There is a new release which should help with high power consumption problem.
Are you suggesting to add time intervals to the app when to enable tracking?