【Android】achartengine的柱状图和饼状图的使用

GraphicalView graphicalView;

graphicalView=ChartFactory.getBarChartView(getBaseContext(), dataset, renderer, type);//柱状图
graphicalView=ChartFactory.getPieChartView(getBaseContext(), dataset, renderer);//饼状图

double[] values={412.0,542.0,486.0,900.1};
CategorySeries dataset=buildCategoryDataset("测试饼图", values);

1 protected CategorySeries buildCategoryDataset(String title, double[] values) {
2         CategorySeries series = new CategorySeries(title);
3         series.add("差", values[0]);
4         series.add("不达标", values[1]);
5         series.add("达标", values[2]);
6         series.add("优秀",values[3]);
7         return series;
8       }

1 String[] titles={"test"};
2         List<double[]> values=new ArrayList<double[]>();
3         values.add(new double[]{5120.0,21251.0,25610.0});
4         XYMultipleSeriesDataset dataset=buildBarDataset(titles, values);

 1  protected XYMultipleSeriesDataset buildBarDataset(String[] titles, List<double[]> values) {
 2             XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
 3             int length = titles.length;
 4             for (int i = 0; i < length; i++) {
 5                 CategorySeries series = new CategorySeries(titles[i]);
 6                 double[] v = values.get(i);
 7                 int seriesLength = v.length;
 8                 for (int k = 0; k < seriesLength; k++) {
 9                     series.add(v[k]);
10                 }
11                 dataset.addSeries(series.toXYSeries());
12             }
13             return dataset;
14         }

1 int[] colors={Color.BLUE,Color.GREEN,Color.MAGENTA,Color.RED};
2 DefaultRenderer renderer=buildCategoryRenderer(colors);

 1 protected DefaultRenderer buildCategoryRenderer(int[] colors) {
 2         DefaultRenderer renderer = new DefaultRenderer();
 3        
 4         renderer.setLegendTextSize(20);//设置左下角表注的文字大小
 5       //renderer.setZoomButtonsVisible(true);//设置显示放大缩小按钮  
 6         renderer.setZoomEnabled(false);//设置不允许放大缩小.  
 7           renderer.setChartTitleTextSize(30);//设置图表标题的文字大小
 8           renderer.setChartTitle("统计结果");//设置图表的标题  默认是居中顶部显示
 9           renderer.setLabelsTextSize(20);//饼图上标记文字的字体大小
10           //renderer.setLabelsColor(Color.WHITE);//饼图上标记文字的颜色
11           renderer.setPanEnabled(false);//设置是否可以平移
12           //renderer.setDisplayValues(true);//是否显示值
13           renderer.setClickEnabled(true);//设置是否可以被点击
14         renderer.setMargins(new int[] { 20, 30, 15,0 });
15         //margins - an array containing the margin size values, in this order: top, left, bottom, right
16         for (int color : colors) {
17           SimpleSeriesRenderer r = new SimpleSeriesRenderer();
18           r.setColor(color);
19           renderer.addSeriesRenderer(r);
20         }
21         return renderer;
22       }

 1 int[] colors={Color.BLUE};
 2         XYMultipleSeriesRenderer renderer=buildBarRenderer(colors);
 3         Type type=Type.DEFAULT;
 4         
 5         //renderer.setZoomEnabled(false);//怎么失效了----使用下面的方式
 6         renderer.setZoomEnabled(false, false);//成功控制--嘿嘿
 7         setChartSettings(renderer, "我是柱状图的标题", "", "统计结果", 0, 6, 0, 30000, Color.GRAY, Color.LTGRAY);
 8         renderer.getSeriesRendererAt(0).setDisplayChartValues(true);
 9         //renderer.getSeriesRendererAt(1).setDisplayChartValues(true);
10         renderer.setXLabels(0);//设置x轴上的下标数量
11         renderer.setYLabels(10); //设置y轴上的下标数量
12         renderer.setXLabelsAlign(Align.RIGHT);
13         renderer.setYLabelsAlign(Align.LEFT);//y轴 数字表示在坐标还是右边
14         renderer.setPanEnabled(false, false);//设置是否允许平移
15         renderer.addXTextLabel(2.0, "220kv电力线");//在指定坐标处显示文字
16         // renderer.clearXTextLabels();//清除 labels
17         //renderer.setZoomRate(1.1f);//设置放缩比
18         renderer.setBarSpacing(1f);// 设置柱状的间距
19         //renderer.setLabelsTextSize(30);//设置坐标轴上数字的大小
20         renderer.setXLabelsAngle(300.0f);//设置文字旋转角度 对文字顺时针旋转
21         renderer.setXLabelsPadding(10);//设置文字和轴的距离
22         renderer.setFitLegend(true);// 调整合适的位置

 1   protected XYMultipleSeriesRenderer buildBarRenderer(int[] colors) {
 2             XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer();
 3             renderer.setAxisTitleTextSize(16);
 4             renderer.setChartTitleTextSize(20);
 5             renderer.setLabelsTextSize(15);
 6             renderer.setLegendTextSize(15);
 7             int length = colors.length;
 8             for (int i = 0; i < length; i++) {
 9                 SimpleSeriesRenderer r = new SimpleSeriesRenderer();
10                 r.setColor(colors[i]);
11                 renderer.addSeriesRenderer(r);
12             }
13             return renderer;
14         }

1 layout=(LinearLayout)findViewById(R.id.linearlayout);
2 layout.removeAllViews();
3 layout.setBackgroundColor(Color.BLACK);
4 layout.addView(graphicalView, new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT));