To start an Alarm Manager you need to first get the instance from the System. Then pass the PendingIntent which would get executed at a future time that you specify . AlarmManager manager = (AlarmManager) getSystemService(Context. ALARM_SERVICE); Intent alarmIntent = new Intent(context, MyAlarmReceiver.
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By the help of Android AlarmManager in android, you can schedule your application to run at a specific time in the future.
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Flutter AlarmManager Plus Example
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