一个android的条形码扫描小程序，初学android的朋友可以学习下-A small program android barcode scanning, beginners can learn the next android friend

java语言写的特征提取源代码，有搞文字识别的可以下载一看，简单易学-Feature extraction of the Java language to write the source code, a character recognition can download a see, easy to learn