Using Core Plot iPhone - Linker error

Question

I kept getting the following linker error when i try using Core Plot in my project...

Undefined symbols for architecture i386:
  \"_OBJC_CLASS_$_CPXYGraph\", ref         


        

Answer 1

I got the same error as you and my problem was that I had not added the QuartzCore framework (select your project target, expand "Link binaries with libraries", click '+' to select QuartzCore.framework).