public interface ViewContract {
    void setupContentList(ArrayList<MyModel> list);
}

public interface PresenterContract {
    void onViewCreated();
}

public class MainActivity extends Activity implements ViewContract {

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        ......
        mListView = findViewById(R.id.listview);
        mPresenter.onViewCreated();
    }

    public void setupContentList(ArrayList<MyModel> list) {
        MyAdapter adapter = new MyAdapter<MyModel>(this, R.layout.list_item, items);
        mListView.setAdapter(adapter);
    }
}

public class Presenter implements PresenterContract {

    public Presenter() {
        ArrayList<MyModel> mItems = new ArrayList();
        // Add items to the list
    }

    public void onViewCreated() {
        mView.setupContentList(mItems);
    }
}