1. http://www.csdn.net/article/2015-08-14/2825462.
Teach you the basic process of using xposed. And how to hijack to obtain user login information.
2.http://blog.csdn.net/chenhao0428/article/details/51360554
It is also a tutorial for basic development using xposedBridgeApi.
3. http://blog.csdn.net/qq_29343201/article/details/51951615
Precautions for using the xposedbridegApi jar package.