如何在Swift中的AppDelegate中初始化NSTimer

Question

Is there a way to initialize an NSTimer in swift in the AppDelegate . I'm trying to start a timer once a user exit's a beacon monitoring region like so.

func locationManager(manager: CLLocationManager!,
    didExitRegion region: CLRegion!) {

        manager.stopRangingBeaconsInRegion(region as! CLBeaconRegion)
        manager.stopUpdatingLocation()

        NSLog("You exited the region")
        sendLocalNotificationWithMessage("You exited the region", playSound: true)
}

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Answer 1

var timer = NSTimer.scheduledTimerWithTimeInterval(0.4, target: self, selector: Selector("yourFunction"), userInfo: nil, repeats: true)