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Using startDeviceMotionUpdates under Swift 3...

What is the cause of the zombies in the following code...

Unexpected roll and pitch extracted from GLKQuaternion...

Motion Manager is not working in Swift...

selecting attitude reference frame in IOS 10 coremotion using swift 3...

DeviceMotion relative to world - multiplyByInverseOfAttitude...

Detect if iPhone thrown in air using core motion...

Do I get more accurate or faster accelerometer readings with Core Motion?...

what is the physical difference between gyro, motion, and acceleration?...

SceneKit drops to 30FPS when not moving...

Safe update interval for startDeviceMotionUpdatesToQueue:withHandler:?...

CMMotionActivityManager is unable to detect Automotive mode...

Difference between CMAccelerometerData and CMDeviceMotion...

Rotate MapView Based on accelerometer...

How to understand initial reference frame of iOS 8 device attitude？...

iPhone detect that user moved up their device...

What is the .Z for acceleration on an iPhone?...

Do the sensor fusion algorithms of Core Motion take advantage of the Kalman filter?...

Finding normal vector to iOS device...

Swift 3.0 how to use startDeviceMotionUpdates(to: withHandler)?...

iOS9 error on activityManager.startActivityUpdatesToQueue...

iOS Concurrency issue: method returned before got the pedometer data...

Core Motion: Value of optional type 'NSOperationQueue?' not unwrapped...

How to move sprite just left or right using CoreMotion?...

Get accelerometer and gyroscope data from apple watch (and not the iphone)?...

CMPedometer StepCounting not Available...

iOS CoreMotion - Calculating Height Difference...

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How to use CoreMotion in WatchKit?...