Code for the Medium article: "Customizing WorkManager"

MyApplication.kt

/* Copyright 2020 Google LLC.	
   SPDX-License-Identifier: Apache-2.0 */
class MyApplication : Application(), Configuration.Provider {

    override fun getWorkManagerConfiguration(): Configuration {
 	     val myWorkerFactory = DelegatingWorkingFactory()
     myWorkerFactory.addFactory(MyWorkerFactory(service))
     // Add here other factories that you may need in your application

            return Configuration.Builder()
                    .setMinimumLoggingLevel(android.util.Log.INFO)
                    .setWorkerFactory(myWorkerFactory)
                    .build()
    }
...
}