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CMMotionManager link error

December 18, 2012 - 3:05am #1


I have created a new project using the vuforia 2.0.
However, the following error can not be built out.
Undefined symbols for architecture armv7:
   "_OBJC_CLASS_ $ _CMMotionManager", Referenced from:
       objc-class-ref in libQCAR.a (libQCAR.a-armv7-master.o)
It seems to be linked to the CoreMotion from libQCAR.
Did you need to CoreMotion from vuforia2.0?
Do you need to add something such as "gyroscope" to set the "required Device Capabilities"?
Source is based on the reference ImageTargets.
Thanks in advance.

  All right.   Thank you very

December 20, 2012 - 4:16pm #5


All right.
Thank you very carefully.

Hi nobu Vuforia works on

December 20, 2012 - 2:09am #4

Hi nobu

Vuforia works on devices that do not have these sensors, and therefore one should not put them in the plist.




  Thank you for your

December 19, 2012 - 8:31pm #3


Thank you for your reply
I understand about the "CoreMotion".
In this matter, Is that what you want without the need to add anything to the understanding that the info.plist to "Required device capabilities"?


December 19, 2012 - 2:33am #2

Hi nobu,

Yes it needs the CoreMotion framework, as highlighted here:




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