Swift - 手机摇晃的监测和响应

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import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {

        super.viewDidLoad()

    }

    //开始摇晃

    override func motionBegan(motion: UIEventSubtype, withEvent event: UIEvent) {

        println("开始摇晃")

    }

    //摇晃结束

    override func motionEnded(motion: UIEventSubtype, withEvent event: UIEvent) {

        println("摇晃结束")

    }

    //摇晃被意外终止

    override func motionCancelled(motion: UIEventSubtype, withEvent event: UIEvent) {

        println("摇晃被意外终止")

    }

}