receive notificationcenter data in swift
let imageDataDict:[String: UIImage] = ["image": image] // post a notification NotificationCenter.default.post(name: NSNotification.Name(rawValue: "notificationName"), object: nil, userInfo: imageDataDict) // `default` is now a property, not a method call // Register to receive notification in your class NotificationCenter.default.addObserver(self, selector: #selector(self.showSpinningWheel(_:)), name: NSNotification.Name(rawValue: "notificationName"), object: nil) // handle notification @objc func showSpinningWheel(_ notification: NSNotification) { print(notification.userInfo ?? "") if let dict = notification.userInfo as NSDictionary? { if let id = dict["image"] as? UIImage{ // do something with your image } } }
