/**
 * easier than you can imagine
 */
public class MyPanelListAdapter extends AbstractPanelListAdapter {

    private Context context;
    private ListView lv_content;
    private int contentResourceId;
    private List<Map<String, String>> contentList = new ArrayList<>();

    /**
     * constructor
     */
    public MyPanelListAdapter(Context context, PanelListLayout pl_root, ListView lv_content,
                              int contentResourceId, List<Map<String,String>> contentList) {
        super(context, pl_root, lv_content);
        this.context = context;
        this.lv_content = lv_content;
        this.contentResourceId = contentResourceId;
        this.contentList = contentList;
    }

    /**
     * return the content adapter
     */
    @Override
    protected BaseAdapter getContentAdapter() {
        return new ContentAdapter(context,contentResourceId,contentList);
    }


    /**
     * content adapter, nothing different from a listview adapter
     */
    private class ContentAdapter extends ArrayAdapter {
		//your content adapter
    }
}

public class MainActivity extends AppCompatActivity {

    private PanelListLayout pl_root;
    private ListView lv_content;
    private MyPanelListAdapter adapter;
    private List<Map<String, String>> contentList = new ArrayList<>();

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

        initView();
        initContentDataList();

        adapter = new MyPanelListAdapter(this, pl_root, lv_content, R.layout.item_content, contentList);
        adapter.setInitPosition(10);
        adapter.setSwipeRefreshEnabled(true);
        //set anything you want here, then call pl_root.setAdapter() to get everything done
        pl_root.setAdapter(adapter);
        // don`t forget to update column manually if you are using a 
        // custom column data instead of the default 1,2,3...
    }
}

  
    public void setTitle(String title);

    public void setTitleBackgroundResource(int resourceId);

    public void setTitleWidth(int titleWidth) ;

    public void setTitleHeight(int titleHeight);

    public void setRowDataList(List<String> rowDataList);

    public void setColumnDataList(List<String> columnDataList);

    public void setRowDivider(Drawable rowDivider) ;

    public void setColumnDivider(Drawable columnDivider);

    public void setColumnColor(String columnColor);

    public void setTitleColor(String titleColor);

    public void setRowColor(String rowColor) ;

    public void setColumnAdapter(BaseAdapter columnAdapter);

    /**
     * if you want the 100th data to be your first data on screen, pass 100
     */
    public void setInitPosition(int initPosition);


    public ListView getContentListView();

    public BaseAdapter getContentAdapter();

    public ListView getColumnListView();

    public BaseAdapter getColumnAdapter();

    public LinearLayout getRowLayout();

    /**
     * default state of swiperefresh is disabled, you can call this method and 		 * pass true to enable it
     */
    public void setSwipeRefreshEnabled(boolean bool);

    public void setOnRefreshListener(SwipeRefreshLayout.OnRefreshListener listener) ;

    public SwipeRefreshLayout getSwipeRefreshLayout();