sending 'MainViewConroller *const_strong' to parameter of incompatible type '<NSFileManagerDelegate> 錯誤xcode
解決方案:http://stackoverflow.com/questions/24248825/getting-a-warning-setting-up-delegate-for-a-custom-protocolapp
2.Unsupported Configuration Scene is unreachable due to lack of entry points and does not have an identifier for runtime access via -instantiateViewControllerWithIdentifier:.
3.code
I am receiving the following error message: linker command failed with exit code 1 (use -v to see invocation)get
This is happening with Apple's 'Your third iOS app' demo program. There are no dynamic errors displayed. The error message detail goes on to say; ld: duplicate symbol _OBJC_IVAR_$_STESimpleTextDocument._documentText in /Users/chris/Library/...it
解決方案:http://stackoverflow.com/questions/10097489/xcode-linking-failure-message-what-does-it-meanio
4.exception
terminating with uncaught exception of type NSExceptioncommand
解決方案:http://stackoverflow.com/questions/17769245/terminating-with-uncaught-exception-of-type-nsexceptionim