Robust is an Android HotFix solution with high compatibility and high stability.Robust can fix bug immediately without publishing apk.

An extended android PopupWindow which could add a pointer(arrow) to the anchor view.You could set your own pointer image, this widget will compute the pointer location for you automatically.

推聊是一个基于极光推送 (JPush) 的手机聊天系统。支持群聊与点对点聊天。当前包括 Android客户端、iOS客户端与 Java服务器端。3分钟就可以整套系统跑起来。