Snippets from Dagger and Dynamic Feature Module Support Article

app_module_partial.kt

private const val BASE_PACKAGE = "com.offgrid.electric.confetti.features"
private const val SERVICE_JOBS_CREATOR = "$BASE_PACKAGE.service.jobs.ServiceJobCreatorProvider"

@Provides
@Singleton
internal fun provideZolaJobManager(
        application: Application,
        defaultJobCreator: JobCreator
): ZolaJobManager {
  ...
      JobManager.create(application).apply {
          addJobCreator(defaultJobCreator)

          jobCreator(application.applicationContext, SERVICE_JOBS_CREATOR)?.also {
              addJobCreator(it)
          }
      }
   ...
}

private fun jobCreator(
        context: Context,
        className: String
): BaseJobCreator? {
    return try {
        val provider =
                Class.forName(className).kotlin.createInstance() as JobCreatorProvider
        provider.get(context)
    } catch (e: ClassNotFoundException) {
        null
    }
}

base_job_creator.kt

interface BaseJobCreator : JobCreator {
    val jobs: @JvmSuppressWildcards Map<String, Provider<Job>>

    override fun create(tag: String): Job? = jobs[tag]?.get()
}

interface JobCreatorProvider {
    fun get(context: Context): BaseJobCreator
}

ConfettiJobCreator.kt

class ConfettiJobCreator @Inject constructor(
         private val jobs: @JvmSuppressWildcards Map<String, Provider<Job>>
 ) : JobCreator {
     override fun create(tag: String): Job? = jobs[tag]?.get()
}

job_manager_partial.kt

JobManager.create(application).apply {
    addJobCreator(defaultJobCreator)

    jobCreator(application.applicationContext, SERVICE_JOBS_CREATOR)?.also {
        addJobCreator(it)
    }
}

jobs_module_partial.kt

    ...

    @Binds
    @IntoMap
    @StringKey(LoadProductsRequestJob.JOB_TAG)
    internal abstract fun bindLoadProductsRequestJob(job: LoadProductsRequestJob): Job

    @Binds
    @IntoMap
    @StringKey(AwaitingWelcomeCallJob.JOB_TAG)
    internal abstract fun bindAwaitingWelcomeCallJob(job: AwaitingWelcomeCallJob): Job

    @Binds
    @IntoMap
    @StringKey(SyncLeadsRequestJob.JOB_TAG)
    internal abstract fun bindSyncLeadsRequestJob(job: SyncLeadsRequestJob): Job

    ...

schedule_example.kt

jobManager.scheduleRequest(FailServiceTaskRequestJob.createJobRequest(task.remoteId))

service_job_creator.kt

class ServiceJobCreator @Inject constructor(
        override val jobs: @JvmSuppressWildcards Map<String, Provider<Job>>
) : BaseJobCreator


@Keep
class ServiceJobCreatorProvider : JobCreatorProvider {

     override fun get(context: Context): BaseJobCreator {
        return DaggerServiceJobsComponent.builder()
                .appComponent((context.applicationContext as ZolaApplication).appComponent)
                .build()
                .serviceJobCreator
    }
}

service_jobs_component.kt

@Component(modules = [ServiceJobsModule::class],
           dependencies = [AppComponent::class])
interface ServiceJobsComponent {

    val serviceJobCreator: BaseJobCreator

    @Component.Builder
    interface Builder {

         fun build(): ServiceJobsComponent

         fun appComponent(component: AppComponent): Builder
    }
}

service_jobs_module.kt

@Module
abstract class ServiceJobsModule {

    @Binds
    @IntoMap
    @StringKey(FailServiceTaskRequestJob.JOB_TAG)
    internal abstract fun bindFailServiceTaskRequestJob(job: FailServiceTaskRequestJob): Job

    @Binds
    internal abstract fun bindServiceJobCreator(jobCreator: ServiceJobCreator): BaseJobCreator
}