EventDataSourceFactory.java

public class EventDataSourceFactory extends DataSource.Factory {

    private String date;
    private Context context;
    private MutableLiveData<PageKeyedDataSource<Integer, EventsItem>> liveDataSource = new MutableLiveData<>();

    public EventDataSourceFactory(String date, Context context) {
        this.date = date;
        this.context = context;
    }

    @Override
    public DataSource create() {
        EventDataSource eventDataSource = new EventDataSource(context, date);
        liveDataSource.postValue(eventDataSource);
        return eventDataSource;
    }

    public MutableLiveData<PageKeyedDataSource<Integer, EventsItem>> getLiveDataSource() {
        return liveDataSource;
    }
}