Android 统计图表引擎 AChartEngine(三) - 示例源码折线图、饼图和柱状图
16lz
2021-01-23
折线图:
[java] view plain copy
- packageorg.achartengine.chartdemo.demo.chart;
- importjava.util.ArrayList;
- importjava.util.List;
- importorg.achartengine.ChartFactory;
- importorg.achartengine.chart.PointStyle;
- importorg.achartengine.renderer.XYMultipleSeriesRenderer;
- importorg.achartengine.renderer.XYSeriesRenderer;
- importandroid.content.Context;
- importandroid.content.Intent;
- importandroid.graphics.Color;
- importandroid.graphics.Paint.Align;
- publicclassAverageTemperatureChartextendsAbstractDemoChart{
- publicStringgetName(){
- return"Averagetemperature";
- }
- publicStringgetDesc(){
- return"Theaveragetemperaturein4Greekislands(linechart)";
- }
- publicIntentexecute(Contextcontext){
- String[]titles=newString[]{"Crete","Corfu","Thassos","Skiathos"};//图例
- List<double[]>x=newArrayList<double[]>();
- for(inti=0;i<titles.length;i++){
- x.add(newdouble[]{1,2,3,4,5,6,7,8,9,10,11,12});//每个序列中点的X坐标
- }
- List<double[]>values=newArrayList<double[]>();
- values.add(newdouble[]{12.3,12.5,13.8,16.8,20.4,24.4,26.4,26.1,23.6,20.3,17.2,
- 13.9});//序列1中点的y坐标
- values.add(newdouble[]{10,10,12,15,20,24,26,26,23,18,14,11});//序列2中点的Y坐标
- values.add(newdouble[]{5,5.3,8,12,17,22,24.2,24,19,15,9,6});//序列3中点的Y坐标
- values.add(newdouble[]{9,10,11,15,19,23,26,25,22,18,13,10});//序列4中点的Y坐标
- int[]colors=newint[]{Color.BLUE,Color.GREEN,Color.CYAN,Color.YELLOW};//每个序列的颜色设置
- PointStyle[]styles=newPointStyle[]{PointStyle.CIRCLE,PointStyle.DIAMOND,
- PointStyle.TRIANGLE,PointStyle.SQUARE};//每个序列中点的形状设置
- XYMultipleSeriesRendererrenderer=buildRenderer(colors,styles);//调用AbstractDemoChart中的方法设置renderer.
- intlength=renderer.getSeriesRendererCount();
- for(inti=0;i<length;i++){
- ((XYSeriesRenderer)renderer.getSeriesRendererAt(i)).setFillPoints(true);//设置图上的点为实心
- }
- setChartSettings(renderer,"Averagetemperature","Month","Temperature",0.5,12.5,-10,40,
- Color.LTGRAY,Color.LTGRAY);//调用AbstractDemoChart中的方法设置图表的renderer属性.
- 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
- 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
- renderer.setShowGrid(true);//是否显示网格
- renderer.setXLabelsAlign(Align.RIGHT);//刻度线与刻度标注之间的相对位置关系
- renderer.setYLabelsAlign(Align.CENTER);//刻度线与刻度标注之间的相对位置关系
- renderer.setZoomButtonsVisible(true);//是否显示放大缩小按钮
- 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.
- 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.
- Intentintent=ChartFactory.getLineChartIntent(context,buildDataset(titles,x,values),
- renderer,"Averagetemperature111");//构建Intent
- returnintent;
- }
- }
饼图:
[java] view plain copy
- packageorg.achartengine.chartdemo.demo.chart;
- importorg.achartengine.ChartFactory;
- importorg.achartengine.renderer.DefaultRenderer;
- importandroid.content.Context;
- importandroid.content.Intent;
- importandroid.graphics.Color;
- publicclassBudgetPieChartextendsAbstractDemoChart{
- publicStringgetName(){
- return"Budgetchart";
- }
- publicStringgetDesc(){
- return"Thebudgetperprojectforthisyear(piechart)";
- }
- publicIntentexecute(Contextcontext){
- double[]values=newdouble[]{12,14,11,10,19};//饼图分层5块,每块代表的数值
- int[]colors=newint[]{Color.BLUE,Color.GREEN,Color.MAGENTA,Color.YELLOW,Color.CYAN};//每块饼图的颜色
- DefaultRendererrenderer=buildCategoryRenderer(colors);
- renderer.setZoomButtonsVisible(true);//设置显示放大缩小按钮
- renderer.setZoomEnabled(true);//设置允许放大缩小.
- renderer.setChartTitleTextSize(20);//设置图表标题的文字大小
- returnChartFactory.getPieChartIntent(context,buildCategoryDataset("Projectbudget",values),
- renderer,"Budget");//构建Intent,buildCategoryDataset是调用AbstraDemoChart的构建方法.
- }
- }
柱状图:
[java] view plain copy
- packageorg.achartengine.chartdemo.demo.chart;
- importjava.util.ArrayList;
- importjava.util.List;
- importorg.achartengine.ChartFactory;
- importorg.achartengine.chart.BarChart.Type;
- importorg.achartengine.renderer.XYMultipleSeriesRenderer;
- importandroid.content.Context;
- importandroid.content.Intent;
- importandroid.graphics.Color;
- importandroid.graphics.Paint.Align;
- publicclassSalesStackedBarChartextendsAbstractDemoChart{
- publicStringgetName(){
- return"Salesstackedbarchart";
- }
- publicStringgetDesc(){
- return"Themonthlysalesforthelast2years(stackedbarchart)";
- }
- publicIntentexecute(Contextcontext){
- String[]titles=newString[]{"2008","2007"};//图例
- List<double[]>values=newArrayList<double[]>();
- values.add(newdouble[]{14230,12300,14240,15244,15900,19200,22030,21200,19500,15500,
- 12600,14000});//第一种柱子的数值
- values.add(newdouble[]{5230,7300,9240,10540,7900,9200,12030,11200,9500,10500,
- 11600,13500});//第二中柱子的数值
- int[]colors=newint[]{Color.BLUE,Color.CYAN};//两种柱子的颜色
- XYMultipleSeriesRendererrenderer=buildBarRenderer(colors);//调用AbstractDemoChart中的方法构建renderer.
- setChartSettings(renderer,"Monthlysalesinthelast2years","Month","Unitssold",0.5,
- 12.5,0,24000,Color.GRAY,Color.LTGRAY);//调用AbstractDemoChart中的方法设置renderer的一些属性.
- renderer.getSeriesRendererAt(0).setDisplayChartValues(true);//设置柱子上是否显示数量值
- renderer.getSeriesRendererAt(1).setDisplayChartValues(true);//设置柱子上是否显示数量值
- renderer.setXLabels(12);//X轴的近似坐标数
- renderer.setYLabels(5);//Y轴的近似坐标数
- renderer.setXLabelsAlign(Align.LEFT);//刻度线与X轴坐标文字左侧对齐
- renderer.setYLabelsAlign(Align.LEFT);//Y轴与Y轴坐标文字左对齐
- renderer.setPanEnabled(true,false);//允许左右拖动,但不允许上下拖动.
- //renderer.setZoomEnabled(false);
- renderer.setZoomRate(1.1f);//放大的倍率
- renderer.setBarSpacing(0.5f);//柱子间宽度
- returnChartFactory.getBarChartIntent(context,buildBarDataset(titles,values),renderer,
- Type.STACKED);//构建Intent,buildBarDataset是调用AbstractDemochart中的方法.
- }
- }
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