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iOS Build a Simple iPhone App with Objective-C Views and View Controllers View Controllers and IBAction

Pawin Pothasuthon
Pawin Pothasuthon
950 Points

error during running app

This following message appear in my console command

2016-11-23 21:40:43.738 funfact[3376:125976] -[ViewController showFunFacts:]: unrecognized selector sent to instance 0x7fcc19405b80 2016-11-23 21:40:43.742 funfact[3376:125976] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[ViewController showFunFacts:]: unrecognized selector sent to instance 0x7fcc19405b80' *** First throw call stack: ( 0 CoreFoundation 0x00000001102f634b exceptionPreprocess + 171 1 libobjc.A.dylib 0x000000010fd5721e objc_exception_throw + 48 2 CoreFoundation 0x0000000110365f34 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132 3 CoreFoundation 0x000000011027bc15 ___forwarding_ + 1013 4 CoreFoundation 0x000000011027b798 CF_forwarding_prep_0 + 120 5 UIKit 0x000000011086a5b8 -[UIApplication sendAction:to:from:forEvent:] + 83 6 UIKit 0x00000001109efedd -[UIControl sendAction:to:forEvent:] + 67 7 UIKit 0x00000001109f01f6 -[UIControl _sendActionsForEvents:withEvent:] + 444 8 UIKit 0x00000001109ef0f2 -[UIControl touchesEnded:withEvent:] + 668 9 UIKit 0x00000001108d7ce1 -[UIWindow _sendTouchesForEvent:] + 2747 10 UIKit 0x00000001108d93cf -[UIWindow sendEvent:] + 4011 11 UIKit 0x000000011088663f -[UIApplication sendEvent:] + 371 12 UIKit 0x000000011107871d __dispatchPreprocessedEventFromEventQueue + 3248 13 UIKit 0x00000001110713c7 __handleEventQueue + 4879 14 CoreFoundation 0x000000011029b311 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION_ + 17 15 CoreFoundation 0x000000011028059c __CFRunLoopDoSources0 + 556 16 CoreFoundation 0x000000011027fa86 __CFRunLoopRun + 918 17 CoreFoundation 0x000000011027f494 CFRunLoopRunSpecific + 420 18 GraphicsServices 0x00000001140eaa6f GSEventRunModal + 161 19 UIKit 0x0000000110868964 UIApplicationMain + 159 20 funfact 0x000000010f784bcf main + 111 21 libdyld.dylib 0x000000011316268d start + 1 ) libc++abi.dylib: terminating with uncaught exception of type NSException (lldb)

It should be clean like the person in the video