[Bug]: Issues on GrapheneOS

[FaFre]

Required Reading

• Confirmed

Plugin Version

1.3.8

Flutter Doctor

[✓] Flutter (Channel stable, 3.32.5, on EndeavourOS 6.15.4-arch2-1, locale en_US.UTF-8)
[✓] Android toolchain - develop for Android devices (Android SDK version 35.0.0)
[✓] Chrome - develop for the web
[✓] Linux toolchain - develop for Linux desktop
[✓] Android Studio (version 2024.3.2)
[✓] Connected device (3 available)
[✓] Network resources

• No issues found!

Mobile operating-system(s)

• iOS
• Android

Device Manufacturer(s) and Model(s)

Pixel 9a

Device operating-systems(s)

Android 15 (GrapheneOS)

What happened?

One of my two Android 15 devices won't execute the background task. Its running GrapheneOS and unfortunately I could not find any related issues to what I get from the logs..

Plugin Code and/or Config

await BackgroundFetch.configure(
              BackgroundFetchConfig(
                minimumFetchInterval: 15,
                enableHeadless: true,
                stopOnTerminate: false,
                requiredNetworkType: NetworkType.ANY,
                startOnBoot: true,
              ),
              (String taskId) async {
                try {
                  await ref
                      .read(fetchArticlesControllerProvider.notifier)
                      .fetchAllArticles();

                  logger.i('Fetched articles in foreground');
                } catch (e, s) {
                  logger.e('Failed fetching articles', error: e, stackTrace: s);
                } finally {
                  await BackgroundFetch.finish(taskId);
                }
              },
            );

Relevant log output

Most of the time just one Log is issued:
06-30 06:13:39.389  4178  4178 W JobService: onNetworkChanged() not implemented in com.transistorsoft.tsbackgroundfetch.FetchJobService. Must override in a subclass.

Sometimes I do see this instead:

06-30 06:14:18.837  4178  4178 D TSBackgroundFetch: [BGTask] timeout: flutter_background_fetch
06-30 06:14:18.838  4178  4178 E TSBackgroundFetch: FetchStreamHandler.onTimeout mEventSink is null.  Cannot fire Dart callback

or

06-30 06:13:18.837  4178  4178 D TSBackgroundFetch: - Background Fetch event received: flutter_background_fetch
06-30 06:13:18.837  4178  4178 E TSBackgroundFetch: FetchStreamHandler.onFetch mEventSink is null.  Cannot fire Dart callback