I am trying to develop a flutter app which will fetch data from server every 10 seconds using timer. It all works well when in foreground. So I followed the documentation provided here Work Manager and I can get the data from server even when app is in background but cannot reduce the frequency below 15 minutes. I dont want to code in native android and ios. How can I approach this situation ? Is there a solution I am missing ?
Please take a look at the tutorial about background job processing
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I am developing in flutter a stock market alert app that checks in the background a certain stock price and send a push notification. I used the background_fetch library but that is only able to fetch the price every 15 minutes, and have some reliability issues on ios.
Therefore, I was wondering if there was another way to implement the same feature.
You can try android_alarm_manager package from pub dev, but it is only available for
(you guessed it) android. This will solve the 15 min frequency I hope it works for you. On a side note I also need a function to run when user enters a geofence when app is on background and I still haven't found a solution. Because in my problem it shouldn't run every x minutes but when sth is triggered.
there is this answer of a similar question but on IOS but it work the similar way on android hope this help and i am sorry for this negative answer :(
answer here
I am new in Flutter, I have used web_socket_channel in my app. Now I want to get notifications when the app is not running. Keeping the app running in the background is not possible, so what do you recommend me to do?
So far I found them:
Websocket Manager- They claim to open socket connection in the background, but I couldn't find enough resources to find out.
https://pub.dev/packages/websocket_manager
Background Fetch - Opens the app for a few seconds in the background periodically (15 minutes or more). I do not prefer this one actually :( .
https://pub.dev/packages/background_fetch
You can use firebase_messaging, it's easy to implement in android and got a bit of configurations to do in IOS but it's good.
Is it possible to use connectivity plugin in background process?
I don't know how to call dart code in background there is little about this in docs.
I need this functionality to sync offline data with backend whenever there is a connection wether app is in foreground or background and app is in killed state like the way Whatsapp syncs messages.
You can use existing plugins for background execution (on android & ios usually in a roughly 15 minute interval)
https://pub.dev/packages/background_fetch
There is also a article dedicated to using isolates for background executions
https://flutter.dev/docs/development/packages-and-plugins/background-processes
https://medium.com/flutter/executing-dart-in-the-background-with-flutter-plugins-and-geofencing-2b3e40a1a124
I have developed an app for which i want to call some 2-3 API continuously in background mode though the app is killed using Ionic 1.
Is there any procedure to do so, as i have already wasted much time in the search for that but no use. If any, please help me with example
I am writing update checker program in xcode, my program needs background process( it needs to be run in background), so is it possible in phonegap, and is there any phonegap plugin for background services? Thanks
iOS does not allow background task to run more than a specific time limit.
Similar Post:
iPhone background task stops running at some point
Explanation:
http://www.macworld.com/article/1164616/how_ios_multitasking_really_works.html
The reasonable solution would be to implement a push notification and send a notification whenever there is an update on server.
It is definitely possible to run some JS code in the background to be checking this (https://github.com/jocull/phonegap-backgroundjs).
It won't be possible to do it for more than 10 minutes in the background, though (Run app for more than 10 minutes in background)
So you'll need both a combination of the first plugin I mentioned and the PN service that dhaval is suggesting.
Cheers!