在Android客户端，使用AChartEngine绘图工具，绘制各种趋势图-In the Android client, using AChartEngine drawing tools, draw a variety of trends

achartengine各种统计图形示例代码，支持android2.1以上，里面的achartengine用的是最新的0.7版本，需要统计图开地的可以参考一下。-achartengine various statistical graphic sample code to support more than android2.1, the inside achartengine is the latest 0.7 version, need charts open to refer to.

实现了安卓报表的柱状图，饼状图，曲线图，在项目已经实现-Implements the android report histogram, pie charts, graphs, the project has been achieved