Android background work and notifications interview questions
WorkManager, expedited and long-running work, Doze, exact alarms, notifications and push messages.
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PeriodicWorkRequest minimum
PeriodicWorkRequest can't repeat more often than every 15 minutes.
WorkManager Data limit
WorkManager's input and output Data is limited to about 10 KB.
BOOT_COMPLETED
Alarms are cleared on reboot; apps reschedule them from a BOOT_COMPLETED receiver.
Notification importance
Once a channel is created, only the user can change its importance.
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Sources: Question outline adapted from Android-Interview-Questions by Mohsen Mirhoseini, licensed under Apache 2.0. We reorganised the questions, rewrote every answer and added new ones. Credits and license