MainActivityPresenter.java

/**
 * Created by : pratama - set.mnemonix@gmail.com
 * Date : 9/23/15
 * Project : SimpleSectionRecyclerView
 */
public class MainActivityPresenter {
  private Context context;
  private MainActivityInterfaces view;
  private List<SectionModel> listSection;

  public MainActivityPresenter(Context context, MainActivityInterfaces view) {
    this.context = context;
    this.view = view;
  }

  public void loadData() {
    view.showLoading();

    listSection = new ArrayList<>();

    SectionModel sectionModel = new SectionModel();
    sectionModel.setText("Section 1");
    List<ItemModel> item1 = new ArrayList<>();
    item1.add(new ItemModel("item 1"));
    item1.add(new ItemModel("item 2"));
    item1.add(new ItemModel("item 3"));
    item1.add(new ItemModel("item 4"));
    sectionModel.setListItem(item1);

    SectionModel sectionModel2 = new SectionModel();
    sectionModel2.setText("Section 2");
    List<ItemModel> item2 = new ArrayList<>();
    item2.add(new ItemModel("item 1"));
    item2.add(new ItemModel("item 2"));
    item2.add(new ItemModel("item 3"));
    item2.add(new ItemModel("item 4"));
    sectionModel2.setListItem(item2);

    listSection.add(sectionModel);
    listSection.add(sectionModel2);

    view.showData(listSection);
  }
}