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// Swift 3
import UIKit
class TestView: UIView {
// MARK: Observers
override func didMoveToWindow() {
if self.window != nil {
NotificationCenter.default.addObserver(self, selector: #selector(test(_:)), name: NSNotification.Name(rawValue: "TestNotification"), object: nil)
override func willMove(toWindow newWindow: UIWindow?) {
if newWindow == nil {
NotificationCenter.default.removeObserver(self, name: NSNotification.Name(rawValue: "TestNotification"), object: nil)
// MARK: Actions
func test(_ notification : Notification) {
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