如何用firebase发送图片推送通知使用swift 3

任何人都可以帮我发送这样的通知：

我正在使用Firebase通知。 当我发送通知时，我尝试将图像URL置于高级选项的值和密钥1中。 图像URL出现在debugging器中，但是当我的设备出现通知时，不会显示图像。

这是我的代码。

import UIKit import UserNotifications import Firebase import FirebaseInstanceID import FirebaseMessaging @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { var window: UIWindow? let gcmMessageIDKey = "gcm.message_id" func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool { // 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, *) { let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound] UNUserNotificationCenter.current().requestAuthorization( options: authOptions, completionHandler: {_, _ in }) // For iOS 10 display notification (sent via APNS) UNUserNotificationCenter.current().delegate = self // 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() // [END register_for_notifications] FIRApp.configure() // Add observer for InstanceID token refresh callback. NotificationCenter.default.addObserver(self, selector: #selector(self.tokenRefreshNotification), name: .firInstanceIDTokenRefresh, object: nil) FIRDatabase.database().persistenceEnabled = true loggedInUser() 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 // 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 // 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)") } else { print("Connected to FCM.") } } } // [END connect_to_fcm] 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 InstanceID token. func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) { print("APNs token retrieved: \(deviceToken)") // FIRInstanceID.instanceID().setAPNSToken(deviceToken, type: FIRInstanceIDAPNSTokenType.unknown) // With swizzling disabled you must set the APNs token here. FIRInstanceID.instanceID().setAPNSToken(deviceToken, type: FIRInstanceIDAPNSTokenType.sandbox) } // [START connect_on_active] func applicationDidBecomeActive(_ application: UIApplication) { connectToFcm() } // [END connect_on_active] // [START disconnect_from_fcm] func applicationDidEnterBackground(_ application: UIApplication) { FIRMessaging.messaging().disconnect() print("Disconnected from FCM.") } // [END disconnect_from_fcm] } // [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 // 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) } func loggedInUser(){ if FIRAuth.auth()!.currentUser != nil { let storyboard = UIStoryboard(name: "Main", bundle: nil) let root = storyboard.instantiateViewController(withIdentifier: "menu") as! UINavigationController self.window?.rootViewController = root } } }