parahall

public interface MainActivityView extends MvpView {

  ListView getListView();

  ProgressBar getProgressBar();
}

parahall

public class MainActivity extends AppCompatActivity implements MainActivityView {

  @BindView(R.id.lv_am_movie_list) ListView listView;
  @BindView(R.id.pb_am_loading) ProgressBar progressBar;
  public static MainPresenter mainPresenter;

  @Override protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

parahall

public class StarWarsService extends IntentService {

  @Inject AppDatabase db;

  public StarWarsService() {
    super("StarWarsService");
  }

  @Override public void onCreate() {
    super.onCreate();

parahall

@Dao
public interface StarWarsMovieDao {

  @Query("select * from StarWarsMovie") LiveData<List<StarWarsMovie>> loadMovies();

  @Query("DELETE FROM StarWarsMovie") void deleteAll();

  @Insert(onConflict = REPLACE) void insertMovie(StarWarsMovie starWarsMovie);
}

parahall

@Database(entities = { StarWarsMovie.class }, version = 1) public abstract class AppDatabase
    extends RoomDatabase {
  public abstract StarWarsMovieDao starWarsMovieModel();
}

parahall

@Module public class AppModule {

  private Application application;

  public AppModule(Application application) {
    this.application = application;
  }

  @Provides @Singleton Context providesAppContext() {
    return application.getApplicationContext();

parahall

public class MainViewModel extends AndroidViewModel {

  private LiveData<List<StarWarsMovie>> moviesLiveData;
  @Inject AppDatabase mDb;

  public MainViewModel(Application application) {
    super(application);
    ((StarWarsApplication) getApplication()).getAppComponent().inject(this);
    requestDataUpdates();

parahall

public class MainActivity extends LifecycleActivity implements Observer<List<StarWarsMovie>> {

  @BindView(R.id.lv_am_movie_list) ListView listView;
  @BindView(R.id.pb_am_loading) ProgressBar progressBar;
  private MainViewModel mainViewModel;

  @Override protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    mainViewModel = ViewModelProviders.of(this).get(MainViewModel.class);

parahall

public class SyncOrderService extends GcmTaskService {
   //...
   public static void scheduleOrderSending(Context context, int id) {
    GcmNetworkManager manager = GcmNetworkManager.getInstance(context);
    Bundle bundle = new Bundle();
    bundle.putInt(SyncOrderService.ORDER_ID, id);
    OneoffTask task = new OneoffTask.Builder().setService(SyncOrderService.class)
        .setTag(SyncOrderService.getTaskTag(id))
        .setExecutionWindow(0L, 30L)
        .setExtras(bundle)

parahall

public class SendOrderService extends IntentService {

  @Override protected void onHandleIntent(Intent intent) {
    int orderId = intent.getIntExtra(ORDER_ID, 0);
    if (orderId == 0 || orderId == -1) {
      return;
    }

    Cursor c = null;
    try {