android - Jetpack workmanager 不返回成功

Question

我正在使用 android.arch.work:work-runtime-ktx:1.0.0-alpha11 并在运行 Android 7.0 的 Samsung Galaxy S8+ 上遇到了问题。对于其他设备，它工作正常。

    val constraints = Constraints.Builder()
            .setRequiredNetworkType(NetworkType.CONNECTED)
            .build()
    val inputData: Data = Data.Builder()
            .putString(INPUT_DATA_FRONT_URI, front?.toString())
            .putString(INPUT_DATA_BACK_URI, back?.toString())
            .build()
    val work = OneTimeWorkRequestBuilder<LicenseUploadWorker>()
            .setConstraints(constraints)
            .setInputData(inputData)
            .build()
    workManager.beginUniqueWork(LICENSE_UPLOAD_WORKER, ExistingWorkPolicy.REPLACE, work)
            .enqueue()

工作已安排并成功执行，但我从此处获取的 LiveData

workManager.getWorkInfoByIdLiveData(work.id)

永远不会获得 WorkInfo.State.SUCCEEDED 状态更新。从日志中我可以看到工作已完成，没有任何问题:

11-26 12:12:03.693 6820 6852 I WorkerWrapper: Worker result SUCCESS for Work

现在有办法解决这个问题吗？

Answer 1

可以直接订阅enqueue()的返回值来观察状态，例如:

val workOperation = workManager.beginUniqueWork(LICENSE_UPLOAD_WORKER, ExistingWorkPolicy.REPLACE, work).enqueue()

workOperation.state.observe(this, Observer { state ->
     Timber.d("state: $state")
})