@Nonnull public Observable<Boolean> progressObservable() { return ResponseOrError.combineProgressObservable( ImmutableList.of( ResponseOrError.transform(titleObservable), ResponseOrError.transform(itemsObservable))); }
@Nonnull public Observable<Throwable> errorObservable() { return ResponseOrError.combineErrorsObservable( ImmutableList.of( ResponseOrError.transform(titleObservable), ResponseOrError.transform(itemsObservable))) .distinctUntilChanged(); }