public void setColumnChartRenderer(Context context, ColumnChartRenderer columnChartRenderer){
        setChartRenderer(new ComboLineColumnChartRenderer(context, this , columnChartRenderer, lineChartDataProvider));
    }
ComboChart, supports ColumnChart combined with LineChart. Lines are always drawn on top.

@author Leszek Wach
hellocharts-library/src/lecho/lib/hellocharts/view/ComboLineColumnChartView.java