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Undefined symbols for architecture i386: "_OBJC_CLASS_$_MKMapView"

  Undefined symbols for architecture i386:          "_OBJC_CLASS_$_MKMapView"
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You have included the header, so you can compile your code, but you are not linking the binary library, so you can't complete the build process. 

                           Follow these steps

-1.In your target settings, go to Build Phases
- 2.And in the "Link with binary libraries" section, add MapKit.framework .

于 2013-10-25T09:46:54.040 回答