Custom components are not being rendered because problems were detected
问题 I'm building an app on visual studio xamarin.ios but the story board opens up with this message "custom components are not being rendered because problems were detected". I've tried deleting directories named "bin" and "obj" in the project's folder yet the problem persists. Also a log file comes up saying "MonoTouchDesignServerUnified quit unexpectedly". Here is a screenshot of the log file. 回答1: There is a bug in current version of Xamarin on how it handle the UIViewController define in