我创建了一个新tabbed application的Xcode.每次我尝试在文本字段中键入任何字母或数字时,我收到以下错误.
我注意到,当我选中该框时,这个错误就开始了 "is initial view controller"
当我把ViewController它自己设置为initial ViewController它不会抛出错误.然而,当我做NavigationController了initial ViewController它会抛出这个错误.
收到错误:
Reminder[46707:4165261] -[NSNull _fastCStringContents:]: unrecognized selector sent to instance 0x10d087af0
2016-03-23 00:48:19.830 Cable tech Reminder[46707:4165261] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSNull _fastCStringContents:]: unrecognized selector sent to instance 0x10d087af0'