我试图使用Firebase通知控制台向特定设备发送一个简单的推送通知,使用FCM令牌。Firebase通知控制台显示通知已发送,但设备没有收到。我尝试先发送通知,然后等待看是否从
didReceiveRemoteNotification
的控制台日志中得到反馈,但是通知需要太长时间(数小时)才能在Firebase控制台中显示为已发送(即使我将优先级设置为high
)。应用代表
import UIKit
import Firebase
import FirebaseStorage
import FirebaseDatabase
import FirebaseMessaging
import CoreData
import UserNotifications
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate {
var window: UIWindow?
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
// Override point for customization after application launch.
// Use Firebase library to configure APIs
FirebaseApp.configure()
/////
// For Firebase Cloud Messaging (FCM)
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 })
} else {
let settings: UIUserNotificationSettings = UIUserNotificationSettings(types: [.alert, .badge, .sound], categories: nil)
application.registerUserNotificationSettings(settings)
}
application.registerForRemoteNotifications()
// End of [for Firebase Cloud Messaging (FCM)]
/////
return true
}
///////////////////////
// FCM Setup
// Monitor token generation for FCM: Be notified whenever the FCM token is updated
func messaging(_ messaging: Messaging, didRefreshRegistrationToken fcmToken: String) {
print("Firebase registration token: \(fcmToken)")
}
// Monitor token generation for FCM:
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
Messaging.messaging().apnsToken = deviceToken
} // Handle messages received through the FCM APNs interface
func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable: Any]) {
print("didReceiveRemoteNotification")
// If you are receiving a notification message while your app is in the background,
// this callback will not be fired till the user taps on the notification launching the application.
// TODO: Handle data of notification
// With swizzling disabled you must let Messaging know about the message, for Analytics
// Messaging.messaging().appDidReceiveMessage(userInfo)
// Print message ID.
// gcm_message_id
if let messageID = userInfo["gcmMessageIDKey"] {
print("Message ID: \(messageID)")
}
我猜测问题可能与我在下面尝试的三种方法中每种方法中的“gcm_message_id” /“gcmMessageId” /“gcm.message_id”不同有关。
// Print full message.
print(userInfo)
}
// Handle messages received through the FCM APNs interface
func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable: Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
print("didReceiveRemoteNotification (withCompletionHandeler)")
// If you are receiving a notification message while your app is in the background,
// this callback will not be fired till the user taps on the notification launching the application.
// TODO: Handle data of notification
// With swizzling disabled you must let Messaging know about the message, for Analytics
// Messaging.messaging().appDidReceiveMessage(userInfo)
// Print message ID.
if let messageID = userInfo["gcmMessageIDKey"] {
print("Message ID: \(messageID)")
}
我的猜测是问题可能与我在下面尝试的三种方法中每个方法中的“gcm_message_id” / “gcmMessageId” /“gcm.message_id”不同有关
// Print full message.
print(userInfo)
completionHandler(UIBackgroundFetchResult.newData)
}
// End of [FCM Setup]
///////////////////////
}
视图控制器
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
// Retrieve the current registration token for Firebase Cloud Messaging (FCM)
let token = Messaging.messaging().fcmToken
print("FCM token: \(token ?? "")")
}
}
权利和启用推送通知
我已经添加了推送授权 ,并为推送通知启用了后台模式
,并将GoogleService-Info.plist添加到我的项目中。
发送通知的方法
我正在从Firebase Notifications控制台创建通知(如下所示),因此通知本身的结构应该没有问题。
我尝试了以下方法来解决问题,但都产生了相同的结果:
有人知道为什么Firebase通知控制台将通知标记已发送,但在设备上没有显示吗?