I had developed the app which works fine but using "AdMob" giving me some linker errors...
Using files:-
  AdMobDelegateProtocol.h
  AdMobView.h
with file :- libAdMob3.2a
And the errors are...
   Undefined symbols for architecture i386:
  "_OBJC_CLASS_$_AdMobView", referenced from:
      objc-class-ref in AdViewController.o
  "_objc_exception_try_enter", referenced from:
      _GSControllerInstance in libGreystripeSDK.a(GreystripeSDK.o)
      _GSExecute in libGreystripeSDK.a(GreystripeSDK.o)
      _GSInitWithCustomServer in libGreystripeSDK.a(GreystripeSDK.o)
      _GSDisplayAd in libGreystripeSDK.a(GreystripeSDK.o)
      _GSSetRelativeRotation in libGreystripeSDK.a(GreystripeSDK.o)
      _GSSetDelegate in libGreystripeSDK.a(GreystripeSDK.o)
      -[GSContentController logSessionEnd] in libGreystripeSDK.a(GSContentController.o)
      ...
  "_objc_exception_extract", referenced from:
      _GSControllerInstance in libGreystripeSDK.a(GreystripeSDK.o)
      _GSExecute in libGreystripeSDK.a(GreystripeSDK.o)
      _GSInitWithCustomServer in libGreystripeSDK.a(GreystripeSDK.o)
      _GSDisplayAd in libGreystripeSDK.a(GreystripeSDK.o)
      _GSSetRelativeRotation in libGreystripeSDK.a(GreystripeSDK.o)
      _GSSetDelegate in libGreystripeSDK.a(GreystripeSDK.o)
      -[GSContentController logSessionEnd] in libGreystripeSDK.a(GSContentController.o)
      ...
  "_objc_exception_match", referenced from:
      _GSControllerInstance in libGreystripeSDK.a(GreystripeSDK.o)
      _GSExecute in libGreystripeSDK.a(GreystripeSDK.o)
      _GSInitWithCustomServer in libGreystripeSDK.a(GreystripeSDK.o)
      _GSDisplayAd in libGreystripeSDK.a(GreystripeSDK.o)
      _GSSetRelativeRotation in libGreystripeSDK.a(GreystripeSDK.o)
      _GSSetDelegate in libGreystripeSDK.a(GreystripeSDK.o)
      -[GSContentController logSessionEnd] in libGreystripeSDK.a(GSContentController.o)
Can any one suggest me how can I resolve this problem?