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升级到 Xcode 12.5 后，我的项目将无法构建，并且我的 AppDelegate 中出现错误。我可以确认在升级之前没有任何问题，而且我在任何地方都找不到解决此问题的文档。先感谢您！

AppDelegate 代码：

import UIKit
import Firebase
import IQKeyboardManagerSwift
import FirebaseMessaging

@main
class AppDelegate: UIResponder, UIApplicationDelegate {
    
    let gcmMessageIDKey = "gcm.message_id"
    
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        
        FirebaseApp.configure()
        
        IQKeyboardManager.shared.enable = true
        
        Messaging.messaging().delegate = self        
        
        if #available(iOS 10.0, *) {

          UNUserNotificationCenter.current().delegate = self

          let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
          UNUserNotificationCenter.current().requestAuthorization(
            options: authOptions,
            completionHandler: {_, _ in })

        } else {

          let settings: UIUserNotificationSettings =
          UIUserNotificationSettings(types: [.alert, .badge, .sound], categories: nil)
            application.registerUserNotificationSettings(settings)
            
        }

        application.registerForRemoteNotifications()

        func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable: Any],
                         fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
          
          if let messageID = userInfo[gcmMessageIDKey] {

            print("Message ID: \(messageID)")

          }

          print(userInfo)

          completionHandler(UIBackgroundFetchResult.newData)

        }
        
        return true
    }
}

错误：

1)

application.registerUserNotificationSettings(settings)

“'(UIApplication, [AnyHashable: Any], @escaping (UIBackgroundFetchResult) -> Void) -> ()' 类型的值没有成员 'registerUserNotificationSettings'”

2)

application.registerForRemoteNotifications()

“'(UIApplication, [AnyHashable: Any], @escaping (UIBackgroundFetchResult) -> Void) -> ()' 类型的值没有成员 'registerForRemoteNotifications'”

4

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