这个UML有些不是很规范，只是为了作为思维路线的记录，怕跟迷路，也不知道有什么好的工具能看源码的，就笨笨的一点点的扣。
This repository doesn't contain much code, it's a build environment!
Tracking trunk can be hard. Doing massive changes on top of trunk can be near impossible. We are mixing 6 open source projects to provide a working xmpp library for Android. All trunk-based.
This repository contains a source fetching, patching and building script. As well as all the minor changes to make an Android version fly. See the patches/ folder for a detailed list of changes and scripts.