derekbrameyer/android-betterpickers — pull request #131 by DreaminginCodeZH (2014-12-23 15:58:14+00:00)
Title: Fix NPE when dialog is not created, as in #57

https://github.com/derekbrameyer/android-betterpickers/issues/57 fixed this issue for RadialTimePicker but not for this class.