Hello flutter/mobile developers,
I have a particular problem at hand and I need some advice. I need to create an app that will do a certain task at specific times of the day. The times will change daily, and it will get the updated times via a REST call at midnight (or at off peak hours). The task must at the scheduled time no matter what, even after device restart, etc. I have looked into this extensively and I'm coming away with the feeling that Flutter does not handle a scheduled task well, especially in iOS which can terminate an app for whatever reason.
The options I have looked into are:
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workmanager (https://pub.dev/packages/workmanager/changelog): This seems the most promising, if not for the minimum frequency of 15 minutes, which is not enough for me. I would need to check every minute if it is time to do the task. Is there a way around this limitation?
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Native solution. I have very little-to-no experience with native iOS and Android coding so I would not prefer this solution. But through some research I have seen some examples where a task can be scheduled through this approach.
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Server side notification. This seems like a good solution on the surface, and I need advice on this. The calculation whether it is time to run the task will happen server-side, and a notification (through Firebase, for example) can be sent to the device, which will trigger the task to be run. Is this even feasible, will the device actually run code when it gets the notification?
So these are my options. Which doe you think is the most doable? If someone with more mobile experience than me can help me out I would appreciate it, maybe there is a better solution that the three I have proposed. Thank you.
from Running a task in a Flutter app at certain times
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