I can't handle any data in background fetch

Asked Dec 27 '19 at 07:41

Active Jun 14 '20 at 06:05

Viewed 766 times

I'm trying get data from sqflite once and faced issue and I can't solved it now I'm trying SharedPreferences it's give me that error

my main.dart code is

void headlessTask(bg.HeadlessEvent headlessEvent) async {
  print('[--=-=-=-===--==--=-==--=-=-=-= HeadlessTask]: $headlessEvent');
  SharedPreferences prefs = await SharedPreferences.getInstance();
  String battery_save_power_mode = prefs.getString('battery_save_power_mode');
  print('[[[battery_save_power_mode $battery_save_power_mode]]]');

}


void main() async {

  runApp( MyApp());

  // Register your headlessTask:
  bg.BackgroundGeolocation.registerHeadlessTask(headlessTask);

}

the error is

E/flutter (13424): [ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: MissingPluginException(No implementation found for method getAll on channel plugins.flutter.io/shared_preferences)

edited Dec 27 '19 at 08:25

asked Dec 27 '19 at 07:41

Mahmoud Niypoo

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Where did you put the headlessTask function in? Doesn't look like it's in the same class. – fadhli-sulaimi Dec 27 '19 at 08:04
@FadhliS the headlessTask() and main() all in main.dart page – Mahmoud Niypoo Dec 27 '19 at 08:26
Have you correctly import the SharedPreferences package? It seems to be an error in the package itself. It is trying to call the method getAll which is not available. – fadhli-sulaimi Dec 27 '19 at 09:12
@FadhliS yes I imported it I have recored what happened maybe there is wrong with my . youtube.com/watch?v=zuA4BmTjt8w – Mahmoud Niypoo Dec 27 '19 at 09:30
1

it's work as good when app is opened but when I terminated it it's give me this error – Mahmoud Niypoo Dec 27 '19 at 09:41
same here..Have you fixed? – John Joe Apr 17 '20 at 02:41
@JohnJoe yes it's due to package not support android embedding 2 – Mahmoud Niypoo Apr 18 '20 at 10:16
@MahmoudNiypoo sharedPreferences package? – John Joe Apr 18 '20 at 10:17

I can't handle any data in background fetch

0 Answers0