onNetworkChanged() not implemented in androidx.work.impl.background.systemjob.SystemJobService. Must override in a subclass.

[this-sunil]

Work [ id=e1c3c953-0b9c-440b-8f99-c5b16239e8ec, tags={ vn.hunghd.flutterdownloader.DownloadWorker, flutter_download_task } ] was cancelled
I/WM-WorkerWrapper(26420): java.util.concurrent.CancellationException: Task was cancelled.
I/WM-WorkerWrapper(26420): at androidx.work.impl.utils.futures.AbstractFuture.cancellationExceptionWithCause(AbstractFuture.java:1183)
I/WM-WorkerWrapper(26420): at androidx.work.impl.utils.futures.AbstractFuture.getDoneValue(AbstractFuture.java:513)
I/WM-WorkerWrapper(26420): at androidx.work.impl.utils.futures.AbstractFuture.get(AbstractFuture.java:474)
I/WM-WorkerWrapper(26420): at androidx.work.impl.WorkerWrapper$2.run(WorkerWrapper.java:316)
I/WM-WorkerWrapper(26420): at androidx.work.impl.utils.SerialExecutorImpl$Task.run(SerialExecutorImpl.java:96)
I/WM-WorkerWrapper(26420): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
I/WM-WorkerWrapper(26420): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:644)
I/WM-WorkerWrapper(26420): at java.lang.Thread.run(Thread.java:1012)