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| @objc func proximityStateDidChange(notification: Notification) { | |
| if let device = notification.object as? UIDevice { | |
| let currentProximityState = device.proximityState | |
| // true: user is close to the device; false: vice versa | |
| print("currentProximityState: \(currentProximityState ? "near" : "far")") | |
| } | |
| } |
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