类型推断失败。 Firebase JobDispatcher

Type inference failed. Firebase JobDispatcher

我在这一行遇到以下错误:.setService(LocationFirebaseJobService::class.java):

类型推断失败。预期类型不匹配:推断类型为 Class<LocationFirebaseJobService>,但预期类型为 Class<out JobService!>

这是我的代码:

val dispatcher = FirebaseJobDispatcher(GooglePlayDriver(context))

            val myJob = dispatcher.newJobBuilder()
                    .setService(LocationFirebaseJobService::class.java)         
                    .setTag("my-unique-tag")                                    
                    .build()

我的 LocationFirebaseJobService class:

class LocationFirebaseJobService: JobService() {

    override fun onStartJob(p0: JobParameters?): Boolean {
        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
    }

    override fun onStopJob(p0: JobParameters?): Boolean {
        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
    }

}

您确定扩展了正确的 JobService 吗? Firebase 提供 com.firebase.jobdispatcher.JobService 但 Android 在 API 级别 21 提供 android.app.job.JobService (Firebase 是此 API 的兼容版本)

在 LocationFirebaseJobService 中检查您的导入