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FCM HTTP v1 API'si ve Bildirim Oluşturucu, teslimattan sonra cihaza indirilmek üzere resim bağlantılarının bir görüntüleme bildiriminin yükünde gönderilmesini destekler.
Bu işlev, Apple uygulamaları için hem resimleri hem de videoları destekler (Dosya boyutu sınırları için Apple belgelerine bakın).
Apple uygulamasında bildirim resimlerini alıp işleyebilmek için Notification Service Extension eklemeniz gerekir.
Bildirim hizmeti uzantısı, uygulamanızın FCM yükünde gönderilen resmi son kullanıcıya bildirimi göstermeden önce işlemesine olanak tanır.
Bildirim hizmeti uzantısını ayarlama
Hizmet uzantısı eklemek için APNs'de bildirimleri değiştirme ve sunma ile ilgili gerekli kurulum görevlerini gerçekleştirin, ardından NotificationService.m'ye FCM uzantısı yardımcı API'sini ekleyin.
Özellikle, geri aramayı self.contentHandler(self.bestAttemptContent); ile tamamlamak yerine gösterildiği gibi FIRMessaging extensionHelper ile tamamlayın:
@interfaceNotificationService()<NSURLSessionDelegate>
@property(nonatomic)void(^contentHandler)(UNNotificationContent*contentToDeliver);@property(nonatomic)UNMutableNotificationContent*bestAttemptContent;@end@implementationNotificationService-(void)didReceiveNotificationRequest:(UNNotificationRequest*)requestwithContentHandler:(void(^)(UNNotificationContent*_Nonnull))contentHandler{self.contentHandler=contentHandler;self.bestAttemptContent=[request.contentmutableCopy];// Modify the notification content here as you wishself.bestAttemptContent.title=[NSStringstringWithFormat:@"%@ [modified]",self.bestAttemptContent.title];// Call FIRMessaging extension helper API.[[FIRMessagingextensionHelper]populateNotificationContent:self.bestAttemptContentwithContentHandler:contentHandler];}...
Gönderme isteğini oluşturma
Bildirim gönderme isteğinizde aşağıdaki ApnsConfig seçeneklerini ayarlayın:
fcm_options.image içeren resim URL'si. Apple, kaynak türünün doğru şekilde tanımlanması için resim URL'sinin geçerli bir dosya uzantısı içermesini zorunlu kılar.
headers({ "mutable-content": 1})
Aşağıdaki örnek gönderme isteği, tüm platformlara ortak bir bildirim başlığı gönderir ancak bir resim de gönderir. Kullanıcının cihazındaki görsel efektin yaklaşık görünümü:
Node.js
consttopicName='industry-tech';constmessage={notification:{title:'Sparky says hello!'},android:{notification:{imageUrl:'https://foo.bar.pizza-monster.png'}},apns:{payload:{aps:{'mutable-content':1}},fcm_options:{image:'https://foo.bar.pizza-monster.png'}},webpush:{headers:{image:'https://foo.bar.pizza-monster.png'}},topic:topicName,};getMessaging().send(message).then((response)=>{// Response is a message ID string.console.log('Successfully sent message:',response);}).catch((error)=>{console.log('Error sending message:',error);});
[[["Anlaması kolay","easyToUnderstand","thumb-up"],["Sorunumu çözdü","solvedMyProblem","thumb-up"],["Diğer","otherUp","thumb-up"]],[["İhtiyacım olan bilgiler yok","missingTheInformationINeed","thumb-down"],["Çok karmaşık / çok fazla adım var","tooComplicatedTooManySteps","thumb-down"],["Güncel değil","outOfDate","thumb-down"],["Çeviri sorunu","translationIssue","thumb-down"],["Örnek veya kod sorunu","samplesCodeIssue","thumb-down"],["Diğer","otherDown","thumb-down"]],["Son güncelleme tarihi: 2025-09-06 UTC."],[],[],null,["The FCM HTTP v1 API and the\n[Notifications composer](//console.firebase.google.com/project/_/notification)\nsupport sending image links in the payload of a display\nnotification, for image download to the device after delivery.\nThis functionality supports both images and videos for Apple apps\n(see Apple documentation for file size limits).\n| Keep in mind:\n|\n| - Images uploaded via the Notifications composer are limited to 300KB in size.\n| - Images stored or served from Cloud Storage are subject to standard [quota limits](https://firebase.google.com/pricing)\n\nTo be able to receive and handle notification images in an Apple app, you must add\na [Notification Service Extension](https://developer.apple.com/documentation/usernotifications/unnotificationserviceextension).\nThe notification service extension allows your app to handle the image\ndelivered in the FCM payload before displaying the notification to the end user.\n\nSet up the notification service extension\n\nTo add a service extension, perform the required setup tasks for\n[modifying and presenting notifications](https://developer.apple.com/library/archive/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/ModifyingNotifications.html)\nin APNs, and then add the FCM extension helper API in `NotificationService.m`.\nSpecifically, instead of completing the callback with\n`self.contentHandler(self.bestAttemptContent);`,\ncomplete it with `FIRMessaging extensionHelper` as shown: \n\n @interface NotificationService () \u003cNSURLSessionDelegate\u003e\n @property(nonatomic) void (^contentHandler)(UNNotificationContent *contentToDeliver);\n @property(nonatomic) UNMutableNotificationContent *bestAttemptContent;\n @end\n\n @implementation NotificationService\n\n - (void)didReceiveNotificationRequest:(UNNotificationRequest *)request withContentHandler:(void (^)(UNNotificationContent * _Nonnull))contentHandler {\n self.contentHandler = contentHandler;\n self.bestAttemptContent = [request.content mutableCopy];\n\n // Modify the notification content here as you wish\n self.bestAttemptContent.title = [NSString stringWithFormat:@\"%@ [modified]\",\n self.bestAttemptContent.title];\n\n // Call FIRMessaging extension helper API.\n [[FIRMessaging extensionHelper] populateNotificationContent:self.bestAttemptContent\n withContentHandler:contentHandler];\n\n }\n ...\n\nBuild the send request\n\nIn your notification send request, set the following [ApnsConfig](/docs/reference/fcm/rest/v1/projects.messages#ApnsConfig)\noptions:\n\n- `fcm_options.image` containing the image URL. Apple requires that the image URL includes a valid file extension to correctly identify the resource type.\n- `headers({ \"mutable-content\": 1})`\n\nThe following example send request sends a common notification title to all platforms, but it also sends an image. Here's an approximation of the\nvisual effect on a user's device:\n\nNode.js \n\n const topicName = 'industry-tech';\n\n const message = {\n notification: {\n title: 'Sparky says hello!'\n },\n android: {\n notification: {\n imageUrl: 'https://foo.bar.pizza-monster.png'\n }\n },\n apns: {\n payload: {\n aps: {\n 'mutable-content': 1\n }\n },\n fcm_options: {\n image: 'https://foo.bar.pizza-monster.png'\n }\n },\n webpush: {\n headers: {\n image: 'https://foo.bar.pizza-monster.png'\n }\n },\n topic: topicName,\n };\n\n getMessaging().send(message)\n .then((response) =\u003e {\n // Response is a message ID string.\n console.log('Successfully sent message:', response);\n })\n .catch((error) =\u003e {\n console.log('Error sending message:', error);\n });\n\nREST \n\n POST https://fcm.googleapis.com/v1/projects/myproject-b5ae1/messages:send HTTP/1.1\n\n Content-Type: application/json\n Authorization: Bearer ya29.ElqKBGN2Ri_Uz...HnS_uNreA\n {\n \"message\":{\n \"topic\":\"industry-tech\",\n \"notification\":{\n \"title\":\"Sparky says hello!\",\n },\n \"android\":{\n \"notification\":{\n \"image\":\"https://foo.bar/pizza-monster.png\"\n }\n },\n \"apns\":{\n \"payload\":{\n \"aps\":{\n \"mutable-content\":1\n }\n },\n \"fcm_options\": {\n \"image\":\"https://foo.bar/pizza-monster.png\"\n }\n },\n \"webpush\":{\n \"headers\":{\n \"image\":\"https://foo.bar/pizza-monster.png\"\n }\n }\n }\n }\n\nSee the\n[HTTP v1 reference documentation](https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages)\nfor complete detail on the keys available in platform-specific blocks in the\nmessage body.\n\nWith `mutable-content` set as shown, this send request enables the service\nextension on the receiving client to handle the image delivered in the payload."]]