我想使用Firebase Cloud Messaging将通知从我的应用程序发送到另一个应用程序。因此，我在此过程中使用了此方法检索(forsenderid：senderid(。我将代码添加到我的应用程序委托中：
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
print("APNs token retrieved: (deviceToken)")
Messaging.messaging().apnsToken = deviceToken
let senderid = "<YOUR SENDER ID>"
Messaging.messaging().retrieveFCMToken(forSenderID: senderid) {(message,Error) in
print("message",message!)
}
}
这是我的应用程序委托：
import UIKit
import UserNotifications
import Firebase
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
var window: UIWindow?
let gcmMessageIDKey = "gcm.message_id"
func application(_ application: UIApplication,
didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
FirebaseApp.configure()
// [START set_messaging_delegate]
Messaging.messaging().delegate = self
// [END set_messaging_delegate]
// Register for remote notifications. This shows a permission dialog on first run, to
// show the dialog at a more appropriate time move this registration accordingly.
// [START register_for_notifications]
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 register_for_notifications]
return true
}
// [START receive_message]
func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable: Any]) {
// 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)")
}
// Print full message.
print(userInfo)
}
func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable: Any],
fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
// 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)")
}
// Print full message.
print(userInfo)
completionHandler(UIBackgroundFetchResult.newData)
}
// [END receive_message]
func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
print("Unable to register for remote notifications: (error.localizedDescription)")
}
// This function is added here only for debugging purposes, and can be removed if swizzling is enabled.
// If swizzling is disabled then this function must be implemented so that the APNs token can be paired to
// the FCM registration token.
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
print("APNs token retrieved: (deviceToken)")
Messaging.messaging().apnsToken = deviceToken
//Code for sending to other sender ID
let senderid = "xxxxxxxx"
Messaging.messaging().retrieveFCMToken(forSenderID: senderid) {(message,Error) in // here i am generating the token for other sender id project
print("message",message!)
}
}
}
// [START ios_10_message_handling]
@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
// 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)")
}
// 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]
extension AppDelegate : MessagingDelegate {
// [START refresh_token]
func messaging(_ messaging: Messaging, didReceiveRegistrationToken fcmToken: String) {
print("Firebase registration token: (fcmToken)")
let dataDict:[String: String] = ["token": fcmToken]
NotificationCenter.default.post(name: Notification.Name("FCMToken"), object: nil, userInfo: dataDict)
// TODO: If necessary send token to application server.
// Note: This callback is fired at each app startup and whenever a new token is generated.
}
// [END refresh_token]
// [START ios_10_data_message]
// Receive data messages on iOS 10+ directly from FCM (bypassing APNs) when the app is in the foreground.
// To enable direct data messages, you can set Messaging.messaging().shouldEstablishDirectChannel to true.
func messaging(_ messaging: Messaging, didReceive remoteMessage: MessagingRemoteMessage) {
print("Received data message: (remoteMessage.appData)")
}
// [END ios_10_data_message]
}
我遵循这种情况：我有两个应用程序" A"one_answers" B"。我想从应用程序" A"到应用程序" B"中发送通知。因此，我将应用程序的发件人ID放置在应用B委托文件中，并使用应用程序生成了App A的注册令牌。。但是，应用B没有收到通知。如何解决此错误？我在Firebase Cloud Messaging中的两个应用程序数据库中上传了有效的APN的auth键。
a＆amp;B是两个独立的应用程序，因此，一个人的FCM令牌对另一个应用程序无效。每个应用程序都会生成与其Firebase项目相关的独特令牌。为了将通知从A到B或B发送到A到A，您需要在每个应用程序中配置两个Firebase项目，然后检索相应的FCM令牌。之后，您将可以发送和接收通知
您编写的扩展方法是可以的。但是请检查以下来自FCM控制台的内容，以找到未接收通知的问题。
对于您所引用的另一个应用程序，您必须需要将其捆绑ID添加到FCM，并且需要为该特定应用程序生成Google Info.plist文件。然后，您必须按照步骤检查应用程序中的通知。
iOS中的FCM令牌检查的东西
-
请在console.firebase.com中检查您的应用程序在应用程序设置中具有适当的P.12文件。
-
服务器设置了适当的服务器API密钥，该密钥在console.firebase.com应用程序设置中显示。
-
Google Info.plist文件必须下载并添加到项目。
希望这对您有所帮助。