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I get the following link error:
Undefined symbols for architecture armv7:
“_OBJC_CLASS_$_CIFilter”, referenced from:
objc-class-ref in CameraViewController.o
“_OBJC_CLASS_$_CIImage”, referenced from:
objc-class-ref in CameraViewController.o
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)
I already have included the QuartzCore.framework.
You need Library/Frameworks/CoreImage.framework
http://developer.apple.com/library/ios/#DOCUMENTATION/GraphicsImaging/Reference/QuartzCoreFramework/Classes/CIImage_Class/Reference/Reference.html