Proximity sensor in Swift (from Objective-C)

Question

I\'m a relatively new user to swift and now, I need to take advantage of the proximity sensor of an iPhone. I don\'t matter the distance, but I want to know when something is ne

Answer 1

Here's my take on this.

func activateProximitySensor() {
    let device = UIDevice.currentDevice()
    device.proximityMonitoringEnabled = true
    if device.proximityMonitoringEnabled {
        NSNotificationCenter.defaultCenter().addObserver(self, selector: "proximityChanged:", name: "UIDeviceProximityStateDidChangeNotification", object: device)
    }
}

func proximityChanged(notification: NSNotification) {
    if let device = notification.object as? UIDevice {
        println("\(device) detected!")
    }
}