二维码扫描，简化后的ZXing 更加方便我们了解ZXing项目 是如何解码的。只要仔细查看源码，进行单点跟踪调试，相信大家很容易能理解。 -Two-dimensional code scanning, simplified ZXing ZXing project easier to understand how we decode. As long as carefully looking at the source, single-point tracking debugging, I b