二维码的生成与扫描-Android

SwetakeQRCode、QRCode、BarCode4j、Zxing、ZBar…， 生成二维码的开源项很多

> zxing- https://github.com/zxing/zxing ；

   zxing-android-embedded- https://github.com/journeyapps/zxing-android-embedded
  Android之二维码生成与识别ZXing,ZXing项目使用Maven管理，编译，没有使用Android Studio工具， 要想快速导入AS(Android Studio下同)

ZXing Core;Core barcode encoding/decoding library

ZXing Java SE extensions;Java SE-specific extensions to core ZXing library

ZXing Android Core;Code common to Android applications

ZXing Android Integration lib;Integration helper classes for Android applications wanting to create/scan barcodes

ZXing Appspot-based encoder;GWT-based encoder app hosted at zxing.appspot.com

ZXing zxing.org web app;The web application behind zxing.org
http://blog.csdn.net/u012702547/article/details/51501350 http://blog.csdn.net/a_zhon/article/details/52551554 http://www.jianshu.com/p/85e0bdb8bd2c http://blog.csdn.net/yaomli/article/details/69384094?locationNum=9&fps=1

一个基于ZXing和ZBar的容易使用和扩展的条形码扫描库- https://github.com/dm77/barcodescanner
> QRCode- https://github.com/androidKaKa/QRCode
（推荐）Android 使用Zxing实现二维码的生成，扫描- http://blog.csdn.net/qq_28057541/article/details/52034988 http://blog.csdn.net/dgs960825/article/details/51200863 http://blog.csdn.net/love_u_u_ok/article/details/50156889
> 优化二维码的问题：

zxing 生成二维码，可设置logo、二维码颜色、白边大小- http://blog.csdn.net/rongku/article/details/51872156
Android使用zxing生成二维码，边框自定义宽度- http://blog.csdn.net/jdsjlzx/article/details/45268815
解决zing生成二维码时二维码太小、白框太大的问题- http://blog.csdn.net/Juladoe/article/details/71076257