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Questions tagged [flutter-workmanager]

61 questions
8
votes
3 answers

Flutter work-manager returns "Worker result FAILURE for Work [ id=XXXXXxXXXXxXXXX tags={ be.tramckrijte.workmanager.BackgroundWorker } ]"

I am building an application which notifies user about the prayer time. I am using adhan package to calculate the time and save it in shared preference. Since the prayer time changes every 24 hours so I am using workmanager to get the prayer time…
zoldyck-kun21
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8
votes
1 answer

Flutter WorkManager plugin and SQLite issue

Maybe someone can share some code example or maybe explain. I use WorkManger Flutter plugin. The idea is to make background task which update sqlite db on device. Plugin works it's executing task but no updates in DB , if I run methods which works…
TomLynx23
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6
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2 answers

initialize workmanager in flutter for ios

i'm trying to set up ios configration as document https://github.com/fluttercommunity/flutter_workmanager/blob/main/IOS_SETUP.md what's the wrong with this set up i have this error: Unhandled Exception: PlatformException(bgTaskSchedulingFailed(Error…
MikeNabil
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6
votes
1 answer

How to send data to the main isolate from workmananger's isolate?

My problem is that flutter Hive cannot be opened from multiple isolates. So I want the data fetched in workmananger task to be sent to the main isolate where the hive box is opened and modify it there to avoid corrupting it. I should take into…
anass naoushi
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5
votes
2 answers

How to run workmanager Task only when app is closed?

I need to run a background task through flutter workmanager but only when app is closed. How to achieve such a behavior. Code sample would be good. Thanks in advance
anass naoushi
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3
votes
2 answers

Show flutter local notification when firebase notification received in foreground and background

I am trying to show flutter local notification when receiving firebase notification in background, foreground and terminated states of app. i am trying to resolve this using work manager package and it is working like a charm in android. it works in…
Karen Ghazaryan
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3
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0 answers

How to invoke method channel from Workmanager task

I have a method channel registered in the Android build's MainActivity class, which works fine when called from the foreground application. I want to call this method channel from a task that Workmanager runs in the background, but I'm getting a…
Julian
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3
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2 answers

Flutter: can't initialize shared preferences with workmanager

As the title say, I'm using 2 plugins, workmanager and shared preferences. The workmanager part works as it's supposed to, while I get an error from shared preferences. This is part of my code which has to do with the workmanager plugin: void…
Cedric
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3
votes
1 answer

Flutter IOS Workmanager Background Fetch Never Called in Production

I'm seemingly unable to get background fetch working with Flutter workmanager on IOS. I can confirm that it is working when called within xcode through debug. Just never when deployed to the device. I've got my workmanager initialised and callback…
BadgerHobbs
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3
votes
1 answer

Flutter Provider with Workmanager

I use Provider with Workmanager Workmanager is especially useful to run periodic tasks, such as fetching remote data on a regular basis. I use Workmanager for get Notification in Background but I need way when I get notification I need call function…
SAWA Group
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2
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0 answers

catch answer of WorkManager

I want to update the background color of my app in terms of result of my background task. I use flutter_bloc and WorkManager. I want my app to be blue during the action, and green if the result is good and red if my function throw an exception. Or…
AntoineD
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2
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2 answers

Flutter: Notification Navigation from Background Task without context issue

My App does the following: It runs a background Task using Flutter Workmanager which checks some values and then it throws a Notification via Flutter Local Notification. In the initialize method from FlutterLocalNotifications Plugin, i can specify a…
Nyancat92
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2
votes
0 answers

Flutter show local notifications at exact time using workmanager

I want to set the local notification in flutter (android app), I got to know about workmanager package but I don't know how to use it for my purpose. I want to send notifications at the exact time which is selected by the user. Time…
Sanchay Kasturey
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2
votes
1 answer

Flutter WorkManager Background Fetch Example With StateFull Widget

I have a function called control in the StateFull Widget. I want to run this function with WorkManager every 15 minutes. How can I call the control function from the callbackDispatcher function? I added a Stream statically to the Statefull widget…
Ahmet Aytanozu
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2
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0 answers

Sqflite flutter communicating with main isolate

A number of plugins (flutter_uploader, workmanager etc) call a top level static handler in dart using PluginUtilities.getCallbackHandle which runs from a separate isolate. In this handler we want to access sqflite. We understand we cannot do this…
user3707
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