pie chart 그래프

// 그래프CategorySeries series = new CategorySeries(null);
DefaultRenderer renderer = new DefaultRenderer();
int[] colors = new int[]{Color.BLUE, Color.GREEN, Color.MAGENTA,
        Color.YELLOW, Color.CYAN, Color.RED};

series.add("Cupcake", new Integer(40));
series.add("Donut", new Integer(5));
series.add("Eclair", new Integer(10));
series.add("Froyo", new Integer(25));
series.add("Gingerbread", new Integer(20));
series.add("Honeycomb", new Integer(50));

renderer.setLabelsTextSize(15); //ラベルの文字サイズrenderer.setLegendTextSize(24); //凡例の文字サイズfor (int color : colors) {
    SimpleSeriesRenderer r = new SimpleSeriesRenderer();
    r.setColor(color);
    renderer.addSeriesRenderer(r);
}

GraphicalView pie_chart = ChartFactory.getPieChartView(this, series, renderer);
layout2.addView(pie_chart);
GraphicalView pie_chart1 = ChartFactory.getPieChartView(this, series, renderer);
layout3.addView(pie_chart1);