ubarua123

import android.annotation.TargetApi;
import android.app.Notification;
import android.app.NotificationManager;
import android.content.Context;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Build;
import android.support.annotation.AttrRes;
import android.support.annotation.ColorInt;
import android.support.annotation.ColorRes;

ubarua123

public class SampleWorker extends RxWorker {
  
  public SampleWorker(
            @NonNull Context context,
            @NonNull WorkerParameters parameters) {
    super(context, parameters);
  }
  
  public Single<Result> createWork() {
    // Create a single observer which will hit a url and nothing else.

ubarua123

public static final Constraints NETWORK_CONSTRAINT = new Constraints.Builder().setRequiredNetworkType(NetworkType.CONNECTED).build();

// Create a OneTimeWorkRequest using our worker; SampleWorker.class
OneTimeWorkRequest sampleWorkRequest = new OneTimeWorkRequest
                .Builder(SampleWorker.class)
                .setConstraints(NETWORK_CONSTRAINT)
                .setBackoffCriteria(BackoffPolicy.LINEAR, OneTimeWorkRequest.DEFAULT_BACKOFF_DELAY_MILLIS, TimeUnit.MILLISECONDS)
                .build();
  
// Enqueue

ubarua123

@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@MapKey
public @interface WorkerKey {
    Class<? extends RxWorker> value();
}

ubarua123

@Module
public abstract class WorkerBindingModule {

    @Binds
    @IntoMap
    @WorkerKey(SampleWorker.class)
    abstract RxWorker bindPushContentWorker(SampleWorker sampleWorkerInstance);

    @Binds
    @IntoMap

ubarua123

public class SampleWorker extends RxWorker {
  
  // Our custom parameter
  private final Retrofit retrofit;
  
  @Inject
  public SampleWorker(
            @NonNull Context context,
            @NonNull WorkerParameters parameters,
            Retrofit retrofit) {

ubarua123

@Component(modules = {
        WorkerBindingModule.class, // To bind our worker classes to the factory
        AppModule.class, //. Which provides context
        ActivityBinderModule.class, // TO bind our activities
        FragmentBinderModule.class, // To bind our fragments
        AndroidInjectionModule.class
})
@Singleton
public interface AppComponent extends AndroidInjector<WonderquilApplication> {

ubarua123

@Subcomponent(modules = WorkerBindingModule.class)
public interface WorkManagerFactorySubComponent {

    Map<Class<? extends RxWorker>, Provider<RxWorker>> getWorkerMap();

    @Subcomponent.Builder
    interface Builder {
        @BindsInstance
        Builder parameters(WorkerParameters parameters);

ubarua123

public class WorkManagerWorkFactory extends WorkerFactory {
    private final WorkManagerFactorySubComponent.Builder subComponentBuilder;

    @Inject
    public WorkManagerWorkFactory(WorkManagerFactorySubComponent.Builder workerFactorySubComponent) {
        this.subComponentBuilder = workerFactorySubComponent;
    }

    @Nullable
    @Override

ubarua123

<application 
             .
             .
             . <!-- Activities and various other things -->
             .
             .
             .
<provider
            android:authorities="${applicationId}.workmanager-init"
            android:name="androidx.work.impl.WorkManagerInitializer"