今天遇到一个问题，AddMenuActivity has leaked window

03-15 05:12:00.691: E/WindowManager(13322): Activity com.litsoft.wlo.AddMenuActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@44f2def8 that was originally added here

百度一下，于是得解。在关闭窗口的时候，Menu、AlertDialog必须先关闭。