ZXing是一个开源Java类库用于解析多种格式的1D/2D条形码。目标是能够对QR编码、Data Matrix、UPC的1D条形码进行解码。 其提供了多种平台下的客户端包括：J2ME、J2SE和Android。 ,ZXing is an open-source, multi-format 1D/2D barcode image processing library implemented in Java. Our focus is on using the built-in camera on

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android java图表绘制引擎，有源码，测试通过，绘制效率挺高的-android java charting engine, there is source code, test passed, rendering efficiency pricey

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