iPhone开发Unresolved Symbols CAKeyframeAnimation

　2012-09-10 12:14:34　来源：WEB开发网　　　

核心提示：Undefined symbols for architecture i386: "_OBJC_CLASS_$_CAKeyframeAnimation", referenced from: objc-class-ref in SpellPageViewController.old: sy

Undefined symbols for architecture i386:
  "_OBJC_CLASS_$_CAKeyframeAnimation", referenced from:
      objc-class-ref in SpellPageViewController.o
ld: symbol(s) not found for architecture i386
collect2: ld returned 1 exit status

解决方法：
检查你是否链接了QuartzCore库，如没有链接，请将其放到frameWork中。