cmmotionmanager

Get accelerometer and gyroscope data from apple watch (and not the iphone) December 30    1

Get accelerometer and gyroscope data from apple watch (and not the iphone)
After seeing , I tried to code up a quick program that would save the watches accelerometer and gyroscope data to a file. @implementation InterfaceController{ NSMutableArray *accData; bool r ...

Measuring tilt angle with CMMotionManager December 29    3

Suppose you are holding an iphone/ipad vertically in front of you with the screen facing you, in portrait orientation. You tilt the device to one side, keeping the screen facing you. How do you measure that static tilt angle using CMMotionManager? It

CMMotionManager updateinterval not set December 24    1

I'm using the CMMotionManager to gather accelerometer data. I am trying to set the update interval to every half second with the following:[_motionManager setDeviceMotionUpdateInterval:.5]; [_motionManager startAccelerometerUpdatesToQueue:[[NSOperati

Undefined symbols for CMMotionManager December 22

Undefined symbols for CMMotionManager
I have an older iOS project and am attempting to add core motion to it. I get this error after adding this line:self.motionManager = [[CMMotionManager alloc]init]; error:Undefined symbols fo ...

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