android系统中使用的超级邮箱的源代码，需要使用JD-GUI.EXE软件查看源代码。（将后缀变为.jar后使用JD-GUI.EXE）-super android system used in the source code of the mailbox, you need to use the JD-GUI.EXE software to view the source code. (The suffix into. Jar after using the JD-GUI.EXE)