startAccelerometerUpdates(to:withHandler:)
Starts accelerometer updates on an operation queue and with a specified handler.
Declaration
func startAccelerometerUpdates(to queue: OperationQueue, withHandler handler: @escaping CMAccelerometerHandler)Parameters
- queue:
An operation queue provided by the caller. Because the processed events might arrive at a high rate, using the main operation queue is not recommended.
- handler:
A block that is invoked with each update to handle new accelerometer data. The block must conform to the Cmaccelerometerhandler type.
Mentioned in
Discussion
You must call stopAccelerometerUpdates() when you no longer want your app to process accelerometer updates.