【发布时间】：2019-09-16 11:31:42
【问题描述】：
我成功集成了 firebase。当我出于测试目的使用来自firebase站点的云消息发送通知时，它会被设备接收。但在我的应用程序中，我需要使用 firebase 将通知从一台设备发送到另一台设备。如何实现。 斯威夫特 4，Xcode 10 这是一些代码：
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSSZ"
FirebaseApp.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 })
} else {
let settings: UIUserNotificationSettings =
UIUserNotificationSettings(types: [.alert, .badge, .sound], categories: nil)
application.registerUserNotificationSettings(settings)
}
Messaging.messaging().delegate = self
InstanceID.instanceID().instanceID { (result, error) in
if let error = error {
print("Error fetching remote instance ID: \(error)")
} else if let result = result {
print("Remote instance ID token: \(result.token)")
self.deviceTokenString = result.token as NSString
}
}
application.registerForRemoteNotifications()
registerForPushNotifications()
}
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
}
private func application(application: UIApplication, didReceiveRemoteNotification userInfo: [NSObject : AnyObject], fetchCompletionHandler completionHandler: (UIBackgroundFetchResult) -> Void) {
print("Recived: \(userInfo)")
completionHandler(.newData)
}
func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable : Any]) {
if let messageID = userInfo[gcmMessageIDKey] {
print("Message ID: \(messageID)")
}
print("Recived: \(userInfo)")
}
@available(iOS 10.0, *)
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)
}
Messaging.messaging().shouldEstablishDirectChannel to true.
func messaging(_ messaging: Messaging, didReceive remoteMessage: MessagingRemoteMessage) {
print("Received data message: \(remoteMessage.appData)")
}
}
@available(iOS 10, *)
extension AppDelegate : UNUserNotificationCenterDelegate {
func userNotificationCenter(_ center: UNUserNotificationCenter,
willPresent notification: UNNotification,
withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
let userInfo = notification.request.content.userInfo
if let messageID = userInfo[gcmMessageIDKey] {
print("Message ID: \(messageID)")
}
print(userInfo)
completionHandler([.alert])
}
func userNotificationCenter(_ center: UNUserNotificationCenter,
didReceive response: UNNotificationResponse,
withCompletionHandler completionHandler: @escaping () -> Void) {
let userInfo = response.notification.request.content.userInfo
if let messageID = userInfo[gcmMessageIDKey] {
print("Message ID: \(messageID)")
}
print(userInfo)
completionHandler()
}
}
【问题讨论】：
-
通过 FCM 向设备发送消息到需要您指定所谓的 FCM 服务器密钥。顾名思义，此密钥只能是服务器或其他受信任环境上的用户，因为它允许持有者向您的应用程序的任何和所有用户发送任何消息。请参阅 stackoverflow.com/q/37655269、stackoverflow.com/q/37634046 和 stackoverflow.com/a/37993724（适用于 Android，但同样适用于 iOS）。
标签： swift firebase firebase-cloud-messaging