在android中使用第三方提供的jar包和文件，实现图表/仪表的制作。内容非常丰富，界面可以根据自己的定义来改变。还有实时的变化监听器。-In the android use 3rd party to provide jar bag and files, realize chart/instrument production. The content is extremely rich, interface can according to his own definition to chan