推送通知出现在 Xcode 输出中，但未显示在实际手机上

Question

我目前正在使用控制台和 Firebase 功能设置 Firebase 推送通知。我浏览了 github 上提供的文档以进行所有设置，但由于某种原因，我正在测试它的实际手机上没有出现任何内容，而不是模拟器。当我从 Firebase 控制台向手机发送推送通知时，消息会出现在控制台中，但无论我是否在手机中，都不会出现声音或横幅。这是我的应用程序委托中的代码。

import UIKit
import Firebase
import FirebaseMessaging
import UserNotifications
import FBSDKCoreKit
import Stripe

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

var window: UIWindow?
let gcmMessageIDKey = "gcm.message_id"

    func application(_ application: UIApplication, didFinishLaunchingWithOptions
        launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
    FIRApp.configure()

        if #available(iOS 10.0, *) {
            // For iOS 10 display notification (sent via APNS)
            UNUserNotificationCenter.current().delegate = self

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

            // For iOS 10 data message (sent via FCM)
            FIRMessaging.messaging().remoteMessageDelegate = self

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

        application.registerForRemoteNotifications()



        NotificationCenter.default.addObserver(self,
                                               selector: #selector(self.tokenRefreshNotification),
                                               name: .firInstanceIDTokenRefresh,
                                               object: nil)

    FIRDatabase.database().persistenceEnabled = true
    let ref = FIRDatabase.database().reference()
        ref.keepSynced(true)

    FBSDKApplicationDelegate.sharedInstance().application(application,didFinishLaunchingWithOptions: launchOptions)
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

            return true
        }
    return true
           }


func application(_ app: UIApplication, open url: URL, options: [UIApplicationOpenURLOptionsKey : Any] = [:]) -> Bool {

    let handled = FBSDKApplicationDelegate.sharedInstance().application(app, open: url, sourceApplication: options[UIApplicationOpenURLOptionsKey.sourceApplication] as! String!, annotation: options[UIApplicationOpenURLOptionsKey.annotation])

    return handled

}
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
 print("APNS token retrieved \(deviceToken)")
}
func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
    print("This is the error that appeared when trying to prompt user for remotenotifications\(error)")
}
func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable: Any]) {

    if let messageID = userInfo[gcmMessageIDKey] {
        print("Message ID: \(messageID)")
    }

    // Print full message.
    print(userInfo)
}

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

    // TODO: Handle data of notification
    // Print message ID.
    if let messageID = userInfo[gcmMessageIDKey] {
        print("Message ID: \(messageID)")
    }

    // Print full message.
    print(userInfo)

    completionHandler(UIBackgroundFetchResult.newData)
}
// [END receive_message]
// [START refresh_token]
func tokenRefreshNotification(_ notification: Notification) {
    if let refreshedToken = FIRInstanceID.instanceID().token() {
        print("InstanceID token: \(refreshedToken)")
    }

    // Connect to FCM since connection may have failed when attempted before having a token.
    connectToFcm()
}
// [END refresh_token]
// [START connect_to_fcm]
func connectToFcm() {
    // Won't connect since there is no token
    guard FIRInstanceID.instanceID().token() != nil else {
        return
    }

    // Disconnect previous FCM connection if it exists.
    FIRMessaging.messaging().disconnect()

    FIRMessaging.messaging().connect { (error) in
        if error != nil {
            print("Unable to connect with FCM. \(error?.localizedDescription ?? "")")
        } else {
            print("Connected to FCM.")
        }
    }
}

func applicationWillResignActive(_ application: UIApplication) {

}

func applicationDidEnterBackground(_ application: UIApplication) {

   print("entered background")
}

func applicationWillEnterForeground(_ application: UIApplication) {

}

func applicationDidBecomeActive(_ application: UIApplication) {

    connectToFcm()
}

func applicationWillTerminate(_ application: UIApplication) {
    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
}
}
    @available(iOS 10, *)
extension AppDelegate : UNUserNotificationCenterDelegate {

    // Receive displayed notifications for iOS 10 devices.
    func userNotificationCenter(_ center: UNUserNotificationCenter,
                                willPresent notification: UNNotification,
                                withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
        let userInfo = notification.request.content.userInfo
        // Print message ID.
        if let messageID = userInfo[gcmMessageIDKey] {
            print("Message ID: \(messageID)")
        }

        // Print full message.
        print(userInfo)

        // Change this to your preferred presentation option
        completionHandler([])
    }

    func userNotificationCenter(_ center: UNUserNotificationCenter,
                                didReceive response: UNNotificationResponse,
                                withCompletionHandler completionHandler: @escaping () -> Void) {
        let userInfo = response.notification.request.content.userInfo
        // Print message ID.
        if let messageID = userInfo[gcmMessageIDKey] {
            print("Message ID: \(messageID)")
        }

        // Print full message.
        print(userInfo)

        completionHandler()
    }
}
// [END ios_10_message_handling]
// [START ios_10_data_message_handling]
extension AppDelegate : FIRMessagingDelegate {
    // Receive data message on iOS 10 devices while app is in the foreground.
    func applicationReceivedRemoteMessage(_ remoteMessage: FIRMessagingRemoteMessage) {
        print(remoteMessage.appData)
    }
}

Answer 1

您需要在“willPresent 通知”委托方法中像这样在完成处理程序中传递“UNNotificationPresentationOptions”

completionHandler([.alert, .badge, .sound])

谢谢

Answer 2

可能应用程序正在前台运行，请尝试将应用程序置于后台，然后重试。检查 iPhone 的设置以查看是否为您的应用禁用了横幅。或者，如果您正在发送静默推送。祝你好运。