double[][] data = {{280, 16, 150, 90, 60, 200, 150, 60 }, {80, 216, 10, 30, 15, 90, 150, 87 } };
Paint[] paints = {Color.yellow, Color.blue };
String[] legendLabels = {"Test Legend Label", "second set"};
AxisChartDataSet axisChartDataSet = new AxisChartDataSet( data, legendLabels, paints, ChartType.BAR_STACKED, stackedBarChartProperties );
String[] axisLabels = {"1900", "1950", "2000", "2050", "3000", "3050", "4000", "4050" };
IAxisDataSeries dataSeries = new DataSeries( axisLabels, "Cookies", "Years", null );
dataSeries.addIAxisPlotDataSet( axisChartDataSet );