v1.1.11 exact jobs firing with delay on Doze Mode

Hi, I’m trying to run an exact job 2min after it was scheduled but it has some delay when testing it with doze.

new JobRequest.Builder(GeofenceLimboJob.TAG).setExact(TimeUnit.MINUTES.toMillis(2)).setUpdateCurrent(true).build().schedule();

10-03 11:10:33.366 5502-14196/ D/JobProxy14: Scheduled alarm, request{id=15, tag=job_geofence_limbo_tag}, delay 00:02:00, exact true, reschedule count 0 10-03 11:14:24.707 5502-20670/ D/PlatformAlarmService: Run job, request{id=15, tag=job_geofence_limbo_tag}, waited 00:03:51, delay 00:02:00 10-03 11:14:24.727 5502-20670/ I/JobExecutor: Executing request{id=15, tag=job_geofence_limbo_tag}, context PlatformAlarmService 10-03 11:14:24.773 5502-20672/ I/JobExecutor: Finished job{id=15, finished=true, result=SUCCESS, canceled=false, periodic=false, class=GeofenceLimboJob, tag=job_geofence_limbo_tag} 10-03 11:14:24.776 5502-20670/ D/PlatformAlarmService: Finished job, request{id=15, tag=job_geofence_limbo_tag} SUCCESS

Right after the job is scheduled i’m putting the device in IDLE state through the adb. As you can see, there is an delay almost twice the time i’ve set the alarm. Is this the expected behaviour? From what I’ve understood, since this uses AlarmManager it should wake the device after the 2min.

[miguelaboliveira]

So, I had a deeper look at this and it seems that it is indeed an limitation of the setExactAndAllowWhileIdle method, which is what seems to be user by your library for exact jobs with SDK > 23.

To reduce abuse, there are restrictions on how frequently these alarms will go off for a particular application. Under normal system operation, it will not dispatch these alarms more than about every minute (at which point every such pending alarm is dispatched); when in low-power idle modes this duration may be significantly longer, such as 15 minutes.

So, when I reduced the frequency that I was scheduling this job the delay disappeared.

Thank you for the information regarding the AlarmManager restrictions.

[vRallev]

Awesome, thanks for sharing your findings.