https://github.com/traex/ExpandableLayout 行可扩展的 ListView
https://github.com/gorbin/ASNE Twitter, Facebook, Google Plus, LinkedIn, Instagram, Vkontakte, Odnoklassniki的分享库
https://github.com/nicolasjafelle/PagingGridView 底部加载更多的 GridView
https://github.com/Mariuxtheone/Teleport Android Wear 数据传输库
https://github.com/casidiablo/multidex
https://github.com/SalomonBrys/ANR-WatchDog
https://github.com/gcacace/android-signaturepad
https://github.com/castorflex/SmoothProgressBar