AChartEngine 是一个安卓系统上制作图表的框架,目前它支持如下的图表类型:line chart (折线图)area chart (面积图 分区图,对比图)scatter chart ( 散点图)-AChartEngine is a chart on android fr a mework, which supports the following chart types: line chart (line chart) area chart (area chart zoning ma