Android代码-Android 里 Fragment 的管理是很麻烦的，而这个项目就是在帮你解决这个问题。

FragmentNavigator An useful fragment navigator helps you control fragments better and easier. You will not need to worry about the dirty things like switch fragments, fragments overlay, save fragments states and restore fragments states. The lib will do them all for you. Fragments in activity and nest Fragment are all supported. Demo Download How to use Step 1. Add the JitPack repository to your build file. Add it in your root build.gradle at the end of repositories: allprojects { repositori