how to set local notification 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 } } }

// Import the UserNotifications framework and add the UNUserNotificationCenterDelegate in AppDelegate.swift
import UserNotifications 

// Request user permission

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {


        let center = UNUserNotificationCenter.current()
        center.requestAuthorization(options:[.badge, .alert, .sound]) { (granted, error) in
            // Enable or disable features based on authorization.
        }
        application.registerForRemoteNotifications()
        return true
}

// Getting device token

func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {

    let deviceTokenString = deviceToken.reduce("", {$0 + String(format: "%02X", $1)})
    print(deviceTokenString)
}

// In case of error

func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {

        print("i am not available in simulator \(error)")
}

// In case if you need to know the permissions granted

UNUserNotificationCenter.current().getNotificationSettings(){ (settings) in

	switch settings.soundSetting{
      	case .enabled:
	      	print("enabled sound setting")
		case .disabled:
      		print("setting has been disabled")
      	case .notSupported:
      		print("something vital went wrong here")
    }
}

Posted by: Guest on January-31-2020

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