CoreMotion: CMAttitudeReferenceFrameXTrueNorthZVertical not working

Originator:futuretap
Number:rdar://11684596 Date Originated:16-Jun-2012 08:21 PM
Status:Closed/Resolved Resolved:26-Jun-2012 06:18 PM
Product:iPhone SDK Product Version:6.0 beta 1
Classification:Crash/Hang/Data Loss Reproducible:Always
 
When starting deviceMotion updates using 

-[CMMotionManager startDeviceMotionUpdatesUsingReferenceFrame:CMAttitudeReferenceFrameXTrueNorthZVertical]

in polling mode, motionManager.deviceMotion always returns nil. For all other reference frames such as CMAttitudeReferenceFrameXMagneticNorthZVertical it returns valid deviceMotion objects.


*UPDATE*
It looks like this issue has been resolved in iOS 6 beta 2.

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