#Android time manager how to

For the вЂELAPSEDвЂ™ options, the beginning of time was when the device turned on. With the type weвЂ™re specifying two things: when the beginning of time is, and if the alarm should wake up the device. The first thing we need is what type of alarm this is, which will be one of these options: ELAPSED_REALTIME, ELAPSED_REALTIME_WAKEUP, RTC, or RTC_WAKEUP. SetRepeating(int type, long triggerAtMillis, long intervalMillis, PendingIntent operation) LetвЂ™s take a look at вЂsetRepeatingвЂ™ to see what weвЂ™ll need to schedule an alarm. Though youвЂ™ll likely stick with the вЂsetExactвЂ™ or вЂsetRepeatingвЂ™ methods because these are the ones that deal with a specific time (the rest have been effectively replaced by the JobScheduler). With an AlarmManager object, we can set an alarm by using one of the вЂsetвЂ™ methods. To schedule an alarm in Android weвЂ™ll be using the AlarmManager which is a Service provided by the Android system.

#Android time manager how to

With that out of the way, letвЂ™s move on to learning about how to schedule alarms.

So unless youвЂ™re actuallyВ making an alarm or something like a clock that chimes every hour on the hour, then you should use the JobScheduler. Anything else, and you should be using the JobScheduler. You should only use the AlarmManager when something needs to happen at a specific time. If your app has work to do and youвЂ™d like it to do that work even when the app isnвЂ™t running, then the AlarmManager might be a good solution.Д«ut before we get started, a quick disclaimer.

In Android, the AlarmManager lets us schedule work to happen at a specific time.