【发布时间】:2021-01-12 10:47:45
【问题描述】:
我尝试使用以下代码构建
Followed the Hilt-WorkManager official documentation
工人阶级
class StartJobWorker @WorkerInject constructor(
@Assisted appContext: Context,
@Assisted workerParams: WorkerParameters,
private val startJobUseCase: StartJobUseCase,
) : CoroutineWorker(appContext, workerParams) {
override suspend fun doWork(): Result {
val jobId: Long = inputData.getLong(AppConstant.JOB_ID, 0)
return when (val workResult: WorkResult = startJobUseCase(jobId)) {
is WorkResult.Success<*> -> Result.success()
is WorkResult.Failure<*> -> Result.failure()
WorkResult.Retry -> Result.retry()
}
}
}
刀柄模块
@Module
@InstallIn(ActivityComponent::class)
abstract class UseCaseModule {
@ActivityScoped
@Binds
abstract fun bindStartJobUseCase(startJobUseCaseImpl: StartJobUseCaseImpl): StartJobUseCase
}
依赖抽象
interface StartJobUseCase {
suspend operator fun invoke(jobId: Long): WorkResult
}
依赖实现
class StartJobUseCaseImpl @Inject constructor(
private val startJobRepository: StartJobRepository
) : StartJobUseCase {
override suspend fun invoke(jobId: Long): WorkResult {
return startJobRepository.startJob(jobId)
}
}
我在编译时收到以下错误消息。
error: [Dagger/MissingBinding] com.example.domain.StartJobUseCase cannot be provided without an @Provides-annotated method.
请告诉我此问题的解决方案。
【问题讨论】:
标签: android android-workmanager dagger-hilt