How to schedule and send periodic flutter local notifications with callback (which is called before sending the notification) in flutter

[Navnath Hajare]

Via flutter app, I need to send periodic local notifications with callback--where callback is called for each period/interval before sending notification. So far I have tried Timer to schedule periodic local notifications, but it does not work in background i.e. when app is closed. I have also tried flutterLocalNotificationsPlugin.periodicallyShow, but this one does not have callback, which is called before sending notification. Lastly, I have tried Firebase, but it needs notifications to be set in firebase console. how to get callback notification with completed and pending reports after changes in database. Please advice a solution for the above given problem.

stackoverflow link:

https://stackoverflow.com/questions/67021356/how-to-schedule-and-send-periodic-flutter-local-notifications-with-callback-whi

github link:

https://github.com/flutter/flutter/issues/80113

[Suzuki Tomohiro]

I don’t think that’s possible. You cannot run code before notification. If you know an app that does that, please let me know.

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