AppDelegate.swift

//
//  AppDelegate.swift
//  Pinna
///
//  Created by Matt Chen on 2022/3/20.
//

import UIKit
import UserNotifications


@main
class AppDelegate: UIResponder, UIApplicationDelegate {

    let notificationHandler = NotificationHandler()



    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.
       
            // 请求通知权限
            UNUserNotificationCenter.current()
                .requestAuthorization(options: [.alert, .sound, .badge]) { // 横幅，声音，标记
                    (accepted, error) in
                    if !accepted {
                        print("用户不允许通知")
                    }
            
                }
        
        // 设置代理
                UNUserNotificationCenter.current().delegate = notificationHandler
        return true
    }

    // MARK: UISceneSession Lifecycle

    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
        // Called when a new scene session is being created.
        // Use this method to select a configuration to create the new scene with.
        return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
    }

    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
        // Called when the user discards a scene session.
        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
    }


}

class NotificationHandler: NSObject, UNUserNotificationCenterDelegate {
    // 前台展示通知
    func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
       
        completionHandler([.list, .banner, .sound])

        
    }
}