安卓图表引擎AChartEngine示例源码折线图、饼图和柱状图.doc

安卓图表引擎AChartEngine安卓图表引擎AChartEngine(三) - 示例源码折线图、饼图和柱状图 折线图：java view plaincopy1. packageorg.achartengine.chartdemo.demo.chart;2. 3. importjava.util.ArrayList;4. importjava.util.List;5. 6. importorg.achartengine.ChartFactory;7. importorg.achartengine.chart.PointStyle;8. importorg.achartengine.renderer.XYMultipleSeriesRenderer;9. importorg.achartengine.renderer.XYSeriesRenderer;10. 11. importandroid.content.Context;12. importandroid.content.Intent;13. importandroid.graphics.Color;14. importandroid.graphics.Paint.Align;15. 16. publicclassAverageTemperatureChartextendsAbstractDemoChart17. publicStringgetName()18. returnAveragetemperature;19. 20. 21. publicStringgetDesc()22. returnTheaveragetemperaturein4Greekislands(linechart);23. 24. 25. publicIntentexecute(Contextcontext)26. Stringtitles=newStringCrete,Corfu,Thassos,Skiathos;/图例27. Listx=newArrayList();28. for(inti=0;ititles.length;i+)29. x.add(newdouble1,2,3,4,5,6,7,8,9,10,11,12);/每个序列中点的X坐标30. 31. Listvalues=newArrayList();32. values.add(newdouble12.3,12.5,13.8,16.8,20.4,24.4,26.4,26.1,23.6,20.3,17.2,33. 13.9);/序列1中点的y坐标34. values.add(newdouble10,10,12,15,20,24,26,26,23,18,14,11);/序列2中点的Y坐标35. values.add(newdouble5,5.3,8,12,17,22,24.2,24,19,15,9,6);/序列3中点的Y坐标36. values.add(newdouble9,10,11,15,19,23,26,25,22,18,13,10);/序列4中点的Y坐标37. intcolors=newintColor.BLUE,Color.GREEN,Color.CYAN,Color.YELLOW;/每个序列的颜色设置38. PointStylestyles=newPointStylePointStyle.CIRCLE,PointStyle.DIAMOND,39. PointStyle.TRIANGLE,PointStyle.SQUARE;/每个序列中点的形状设置40. XYMultipleSeriesRendererrenderer=buildRenderer(colors,styles);/调用AbstractDemoChart中的方法设置renderer.41. intlength=renderer.getSeriesRendererCount();42. for(inti=0;ilength;i+)43. (XYSeriesRenderer)renderer.getSeriesRendererAt(i).setFillPoints(true);/设置图上的点为实心44. 45. setChartSettings(renderer,Averagetemperature,Month,Temperature,0.5,12.5,-10,40,46. Color.LTGRAY,Color.LTGRAY);/调用AbstractDemoChart中的方法设置图表的renderer属性.47. renderer.setXLabels(12);/设置x轴显示12个点,根据setChartSettings的最大值和最小值自动计算点的间隔48. renderer.setYLabels(10);/设置y轴显示10个点,根据setChartSettings的最大值和最小值自动计算点的间隔49. renderer.setShowGrid(true);/是否显示网格50. renderer.setXLabelsAlign(Align.RIGHT);/刻度线与刻度标注之间的相对位置关系51. renderer.setYLabelsAlign(Align.CENTER);/刻度线与刻度标注之间的相对位置关系52. renderer.setZoomButtonsVisible(true);/是否显示放大缩小按钮53. 54. renderer.setPanLimits(newdouble-10,20,-10,40);/设置拖动时X轴Y轴允许的最大值最小值.55. renderer.setZoomLimits(newdouble-10,20,-10,40);/设置放大缩小时X轴Y轴允许的最大最小值.56. Intentintent=ChartFactory.getLineChartIntent(context,buildDataset(titles,x,values),57. renderer,Averagetemperature111);/构建Intent58. returnintent;59. 60. 61. 饼图：java view plaincopy1. packageorg.achartengine.chartdemo.demo.chart;2. 3. importorg.achartengine.ChartFactory;4. importorg.achartengine.renderer.DefaultRenderer;5. 6. importandroid.content.Context;7. importandroid.content.Intent;8. importandroid.graphics.Color;9. 10. publicclassBudgetPieChartextendsAbstractDemoChart11. publicStringgetName()12. returnBudgetchart;13. 14. 15. publicStringgetDesc()16. returnThebudgetperprojectforthisyear(piechart);17. 18. publicIntentexecute(Contextcontext)19. doublevalues=newdouble12,14,11,10,19;/饼图分层5块,每块代表的数值20. intcolors=newintColor.BLUE,Color.GREEN,Color.MAGENTA,Color.YELLOW,Color.CYAN;/每块饼图的颜色21. DefaultRendererrenderer=buildCategoryRenderer(colors);22. renderer.setZoomButtonsVisible(true);/设置显示放大缩小按钮23. renderer.setZoomEnabled(true);/设置允许放大缩小.24. renderer.setChartTitleTextSize(20);/设置图表标题的文字大小25. returnChartFactory.getPieChartIntent(context,buildCategoryDataset(Projectbudget,values),26. renderer,Budget);/构建Intent,buildCategoryDataset是调用AbstraDemoChart的构建方法.27. 28. 29. 柱状图：java view plaincopy1. packageorg.achartengine.chartdemo.demo.chart;2. 3. importjava.util.ArrayList;4. importjava.util.List;5. 6. importorg.achartengine.ChartFactory;7. importorg.achartengine.chart.BarChart.Type;8. importorg.achartengine.renderer.XYMultipleSeriesRenderer;9. 10. importandroid.content.Context;11. importandroid.content.Intent;12. importandroid.graphics.Color;13. importandroid.graphics.Paint.Align;14. 15. publicclassSalesStackedBarChartextendsAbstractDemoChart16. publicStringgetName()17. returnSalesstackedbarchart;18. 19. 20. publicStringgetDesc()21. returnThemonthlysalesforthelast2years(stackedbarchart);22. 23. 24. publicIntentexecute(Contextcontext)25. Stringtitles=newString2008,2007;/图例26. Listvalues=newArrayList();27. values.add(newdouble14230,12300,14240,15244,15900,19200,22030,21200,19500,15500,28. 12600,14000);/第一种柱子的数值29. values.add(newdouble5230,7300,9240,10540,7900,9200,12030,11200,9500,10500,30. 11600,13500);/第二中柱子的数值31. intcolors=newintColor.BLUE,Color.CYAN;/两种柱子的颜色32. XYMultipleSeriesRendererrenderer=buildBarRenderer(colors);/调用AbstractDemoChart中的方法构建renderer.33. setChartSettings(renderer,Monthlysalesinthelast2years,Month,Unitssold,0.5,34. 12.5,0,24000,Color.GRAY,Color.LTGRAY);/调用AbstractDemoChart中的方法设置renderer的一些属性.35. renderer.getSeriesRendererAt(0).setDisplayChartValues(true);/设置柱子上是否显示数量值36. renderer.getSeriesRendererAt(1).setDisplayChartValues(true);/设置柱子上是否显示数量值37. renderer.setXLabels(12);/X轴的近似坐标数38. renderer.setYLabels(5);/Y轴的近似坐标数39. renderer.setXLabelsAlign(Align.LEFT);/刻度线与X轴坐标文字左侧对齐40. renderer.setYLabelsAlign(Align.LEFT);/Y轴与Y轴坐标文字左对齐41. renderer.setPanEnabled(true,false);/允许左右拖动,但不允许上下拖动.4