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Your First Mac App -- Compiler Can't see updateUserInterface


i am in middle of Your First Mac App tutorial for Mac OS X developers and i am experiencing problem with updateUserInterface. I've followed the tutorial, which produces following codes of AppDelegate.m and AppDelegate.h

Screenshot from Xcode

( https://gist.github.com/1599797 )

What am I doing wrong? The code seems to me OK.

( This is my first mac developing. )


Solution

  • Take a closer look at the method call. The problem is from a (nonexistent) method called updateUserInteface, not updateUserInterface.