How to Schedule Background Tasks In Flutter?

· 3 min read
How to Schedule Background Tasks In Flutter
How to Schedule Background Tasks In Flutter

In a native android application, we can schedule our background tasks using the work manager or alarm manager. So, in this article, we will go through How to Schedule Background Tasks In Flutter.

How to Schedule Background Tasks In Flutter?

We would recommend you to the medium article for the same. However, we thought it was way too complicated to set up so it just happens we created a plugin that aids you with this…

//Provide a top level function or static function.
//This function will be called by Android and will return the value you provided when you registered the task.
//See below
void callbackDispatcher() {
  Workmanager.executeTask((task) {
    print("Native echoed: $task");
    return Future.value(true);
  });
}

Workmanager.initialize(
    callbackDispatcher, //the top level function.
    isInDebugMode: true //If enabled it will post a notification whenever the job is running. Handy for debugging jobs
)

For now, it only works for android projects. We have iOS support now too. It is still early alpha but gives ago.

You can also refer to a medium article for the same.

SOLUTION: Cron is another best solution to schedule background tasks. Cron runs tasks periodically at fixed times, dates, or intervals. But the only disadvantage of corn is once the app kills, the cron not working in the background as expected.

A simple usage example

import 'package:cron/cron.dart';

main() {
  var cron = new Cron();
  cron.schedule(new Schedule.parse('*/3 * * * *'), () async {
    print('every three minutes');
  });
  cron.schedule(new Schedule.parse('8-11 * * * *'), () async {
    print('between every 8 and 11 minutes');
  });
}

How to set up a cronjob in general: information

Conclusion:

Thanks for being with us on a Flutter Journey !!!

So in this article, we have been through how to schedule background tasks in flutter.

Keep Learning !!! Keep Fluttering !!!

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