mackross/HockeyKit — comment on commit 34c7e99c8b41fc10c519a3aaeddaf63cd84984a3
File:  line 0
By TheRealKerni:

This will not work if the view has been added as a subview on top of the UIWindow, which happens if the app has no rootViewController set, see https://github.com/mackross/HockeyKit/blob/develop/client/iOS/BWHockeyManager.m#L491