You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
samples/platform_channels/ios/Runner/AccelerometerStreamHandler....

39 lines
1.3 KiB

// Copyright 2020 The Flutter team. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import CoreMotion
class AccelerometerStreamHandler: NSObject, FlutterStreamHandler {
var motionManger: CMMotionManager;
override init() {
motionManger = CMMotionManager()
}
func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
if !motionManger.isAccelerometerAvailable {
events(FlutterError(code: "SENSOR_UNAVAILABLE", message: "Accelerometer is not available", details: nil))
}
motionManger.accelerometerUpdateInterval = 0.1
motionManger.startAccelerometerUpdates(to: OperationQueue.main) {(data, error) in
guard let accelerationData = data?.acceleration else {
events(FlutterError(code: "DATA_UNAVAILABLE", message: "Cannot get accelerometer data", details: nil ))
return
}
events([accelerationData.x, accelerationData.y, accelerationData.z])
}
return nil
}
func onCancel(withArguments arguments: Any?) -> FlutterError? {
return nil
}
}