Notifications

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Learn about the technical aspects of notification delivery on device, including notification types, priorities, and notification center management.

Notifications Documentation

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Action Required: Apple Push Notification Service Server Certificate Update
Hello Everyone, I have some questions regarding the Apple notification alert update received in October 2024 for the APNs server certificate update. We are using Azure Notification Hub to receive push notifications. I confirmed with the Azure team, and they have already implemented the required changes. However, push notifications are still not working in the sandbox environment. Could you please provide any insights on this? Thanks.
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471
Feb ’25
Send ImagePreview within firebase cloud messaging to iOS
Is there a way to to add a key for imageURL below that shows as image preview on the right side of a push notification or do i need to create a Notification Content Extension to make it work? `const message = { apns: { payload: { aps: { 'mutable-content': 1, alert: { title: title, body: body, image: imageURL, }, }, }, fcm_options: { image: imageURL, }, }, data: { articleId: articleId, 'media-url': imageURL, }, tokens: tokens, };` I'm getting the image through, but just if the user long presses on the push notification and then it appears below, but i want it to look like in the screenshot: Thanks
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403
Oct ’24
Push notifications to api.push.apple.com sometimes fail
We have a case when we send 8 push notifications more or less simultaneously over 1 HTTP 2.0 connection. Using .NET Core 8 Sometimes some of them fail with a strange message: System.Net.Http.HttpRequestException: The response ended prematurely while waiting for the next frame from the server. (ResponseEnded) ---> System.Net.Http.HttpIOException: The response ended prematurely while waiting for the next frame from the server. (ResponseEnded) at System.Net.Http.Http2Connection.ThrowRequestAborted(Exception innerException) at System.Net.Http.Http2Connection.Http2Stream.TryEnsureHeaders() at System.Net.Http.Http2Connection.Http2Stream.ReadResponseHeadersAsync(CancellationToken cancellationToken) at System.Net.Http.Http2Connection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) --- End of inner exception stack trace --- at System.Net.Http.Http2Connection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.DecompressionHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at Microsoft.Extensions.Http.Logging.HttpClientLoggerHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) We noticed that failure is always accompanied with a huge delay (~500ms) comparing to success (~20ms). Also some of the burst messages are sent successfully (sometimes 2-4 of them) What can we do about it?
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459
Feb ’25
Error when validating the APNS Certificate
I trying to validate the certificate I created for APNS using the following command but I get an error. openssl s_client -connect gateway.push.apple.com:2195 -cert temp.pem -debug -showcerts Error: getaddrinfo: nodename nor servname provided, or not known connect:errno=0 Any help will be greatly appreciated.
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2w
AW10 and iPhone 16 notifications not working while using CarPlay
I just switched back to Apple Watch from Garmin, and in the time away I got both work and personal vehicles with CarPlay. I've noticed that my AW10 does not get ANY notifications pushed to it while I am using CarPlay, which is annoying because only texts and calls get pushed to my CarPlay screen, so i miss everything else. Additionally, and this may be a bug issue with iOS18, but I also just noticed that my phone (16) does not light up/make sounds for notifications while using CarPlay - so it doesn't light up, nor do the vehicle speakers make sound with IG/snapchat/etc notifications, and even the screen "lock" sound doesn't audibly go off. I've only had CarPlay for a few months, but I typically keep my phone on Silent anyway, so maybe I'm just noticing this now and its not necessarily a new issue? it does make the sound when i get a text, so logically everything else should make a noise. I've made sure that my general focus and car focus modes are OFF. Sound is ON. Sound volume setting is all the way up. Have also restarted both phone and watch, and “forgot“ the phone from the vehicle and reconnected Am I doing something wrong here? is there a solution for either problem? From what I've seen, some people say that the AW not getting notifications at the same time as Carplay is a built-in safety feature, which most people do not want... maybe its the same with the phone not alerting to non-text/call notifications?
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536
Sep ’24
All Apple Push Notification Architecture
I've built an iOS & Watch OS app using Sign in with Apple & CloudKit exclusively. I'm now wanting to implement Push Notifications. I understand that I need a server to trigger the push notifications (I guess I could spool up a Node server somewhere or use Firebase), but I'd really like to not use any non-Apple backend services. Am I correct in understanding that I can do this with Push Notifications Console, or do I still need a separate backend?
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380
Feb ’25
Live activity push is not work
Hey there,i start a live activity,but it not works, and sometime it can work; apns-unique-id 46445cfa-1bf6-0f63-5ea3-2afa53e02b0d and it show that " 2025年5月19日 GMT+8 15:13:25.836 received by APNS Server 2025年5月19日 GMT+8 15:13:26.244 discarded as application was not registered" but i did not know how can i do; thanks for you help
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66
May ’25
APNS push will not be received,in new country
Hello. Recently, the users of our APP have reported using our products, and they can normally receive push in Hong Kong. However, when traveling to Japan or some countries and regions in Europe, push will not be received. we checked that -the cert is valid -the server get 'sent successfully' response -used pushtry to test the cert and token and it can receive push in app
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299
Feb ’25
Carplay not read incoming chat message like whats app.
We have implemented Carplay in our voip based project and in this we have implemented Incoming call and chat notification feature for Carplay. For Carplay we implemented siri. Siri Object donated Successfully in Notification service Extension when notification didreceive method called. Donation Code :- func donateIncomingMessageIntent(sender: String, senderId: String, message: String, messageId: String, userInfo: [AnyHashable: Any],destination:String) { // Create proper name components clearAllinteraction() var nameComponents = PersonNameComponents() nameComponents.givenName = sender //unknown let senderPerson = INPerson( personHandle: INPersonHandle(value: senderId, type: .unknown), nameComponents: nameComponents, displayName: sender, image: nil, contactIdentifier: senderId, customIdentifier: "sender_\(senderId)" ) let recipientPerson = INPerson( personHandle: INPersonHandle(value: "me@example.com", type: .emailAddress), nameComponents: nil, displayName: "Me", image: nil, contactIdentifier: "me_id", customIdentifier: "user_id" ) let inMessage = INMessage( identifier: messageId, conversationIdentifier: "conversation_\(senderId)", content: message, dateSent: Date(), sender: senderPerson, recipients: [recipientPerson], groupName: nil, messageType: .text ) let intent = INSearchForMessagesIntent( recipients: [recipientPerson], senders: [senderPerson], searchTerms: [message], attributes: .unread, dateTime: nil, identifiers: [messageId], notificationIdentifiers: [messageId], groupNames: ["Messages"] ) let interaction = INInteraction(intent: intent, response: nil) interaction.identifier = "message_\(messageId)" interaction.direction = .incoming // Add direction DispatchQueue.global(qos: .userInitiated).async { interaction.donate { error in if let error = error { print("❌ Failed to donate INSearchForMessagesIntent: \(error.localizedDescription)") } else { print("✅ Donated INSearchForMessagesIntent successfully!") let intentData: [String: Any] = [ "senderName": sender, "senderId": senderId, "message": message, "messageId": messageId, "timestamp": Date().timeIntervalSince1970, "conversationId": "conversation_\(senderId)", // Add conversationId "destination":destination ] let defaults = UserDefaults(suiteName: "group.com.chatapp") // 🔁 Use your App Group ID defaults?.removeObject(forKey: "lastCarPlayIntentData") defaults?.set(intentData, forKey: "lastCarPlayIntentData") defaults?.synchronize() } } } } Here SenderID is like 3000@abc,2000@abc etc. In siri ,When we handle INSearchForMessagesIntent at that time all data getting from Userdefaults because without Userdefaults INSearchForMessagesIntent value nil. Even we enabled announcement using .allowAnnouncement. We also tried to save same sender in contact Book because sometime siri search contact and not found then may be raise this type of issue. So we need code level support for read incoming message in carplay when notification comes. Thank you.
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81
May ’25
Discrepancy between App Store Server API `expiresDate` and iOS Settings subscription expiration date
I am developing an iOS app that uses App Store Server API (v2) for auto-renewable subscriptions. I noticed a discrepancy between the expiration date returned by the API and the date displayed in iPhone Settings > Subscriptions: App Store Server API expiresDate: 2025-09-12T12:10:25 (KST) iOS Settings > Subscriptions: 2025-09-11 (one day earlier) My understanding: The API’s expiresDate is the precise UTC timestamp. The Settings UI might display the "last full calendar day" for UX purposes. Questions: Is this behavior (UI showing one day earlier) an intentional Apple policy? If so, is there any official documentation or guideline explaining this behavior? Should developers always rely on the API’s expiresDate for subscription state management? This discrepancy is confusing for both developers and end users, so any clarification or official reference would be greatly appreciated.
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70
1w
Extend of notification content
In iOS 26, I can check the notification that arrives to the user when the AirPods or Apple Watch is fully charged. When tap the notification, notification only expands and does not include actions such as moving to an app. I checked the documents of UserNotification and UNNotificationServiceExtension, but I couldn't find what I wanted. I can expand by long-tapping as default, but I'm looking for a way to expand it without entering the app when I tap the notification. I wonder if there is an API that I missed or if it's not publicly supported. thank you for your support.
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1w
Alternate App Icon Change Does Not Reflect in Notification Center on iOS 18.1+
Version: iOS 18.1 and later (works as expected on iOS 18.0 and earlier) Area: SpringBoard / Notification Center / App Icon Rendering Description: When changing the app's alternate icon using UIApplication.setAlternateIconName(_:completionHandler:), the icon is updated correctly on the Home Screen and App Switcher. However, in Notification Center, the old app icon is still shown for notifications, even after the change has completed. This issue only occurs on iOS 18.1 and later. In iOS 18.0 and earlier, Notification Center correctly reflects the updated icon. - Steps to reproduce: Create an iOS app with alternate app icons configured in the Info.plist. Use UIApplication.shared.setAlternateIconName("IconName") to change the icon at runtime. Send a notification. Pull down Notification Center and observe the icon shown beside the notification. - Expected Behavior: Notification Center should reflect the updated (alternate) app icon immediately after the change. - Actual Behavior: Notification Center continues to display the old (primary) app icon. The new icon appears correctly on the Home Screen and App Switcher. Restarting the device does cause Notification Center to update and reflect the correct icon, which suggests a cache or refresh issue in SpringBoard or Notification Center. - Notes: Issue introduced in iOS 18.1; not present in 18.0. Reproduces on both physical devices and simulators. Occurs with both scheduled local notifications and remote notifications. Restarting the device updates the Notification Center icon, but this is not a viable user-facing workaround.
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110
Apr ’25
Weather Notifications
I'm strugling about the way how to code notifications for my weather aplication. I use data from my server that receives weather changing values from my own weather station and want to notify user of my app when eg strong wind will **** or temperature go under eg 3℃ etc. The weather station has 8 sensors so there is sometimes a lot of data changing in particular minute that i set to parse data from server and notify user about it. But the notifications only works only when app is on and couple minutes after locking display. So please what could i use strategy for the app to works even when the app sleeps ?
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59
Mar ’25
Location Push Extension Cannot Wake after 10 mins
Hi team, I'm developing a feature that's collecting the device locations for home security app. We've been following https://developer.apple.com/documentation/corelocation/creating-a-location-push-service-extension apns-push-type set to location. apns-priority set to 5. during testing, we found that the device's notification extension cannot be triggered after device going into lock screen for 10 mins. Wonder should we set the priority to 10? Thanks!
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271
Feb ’25
Received a warning from Apple regarding updating APNs ceritificate.
"As we announced in October, the Certification Authority (CA) for Apple Push Notification service (APNs) is changing. APNs will update the server certificates in sandbox on January 20, 2025, and in production on x date, 2025. To continue using APNs without interruption, you’ll need to update your application’s Trust Store to include the new server certificate: SHA-2 Root : USERTrust RSA Certification Authority certificate. To ensure a smooth transition and avoid push notification delivery failures, please make sure that both old and new server certificates are included in the Trust Store before the cut-off date for each of your application servers that connect to sandbox and production. At this time, you don’t need to update the APNs SSL provider certificates issued to you by Apple." As we are using firebase for receiving notifications and azure notification hub, I read that there is nothing we as developers need to do and will be handled by the providers right?
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492
Feb ’25
Not receiving apple server notification v2 on production URL
Hello, previously i have tested the purchase via test flight and the server notification was sent to my sandbox url. Now when I made the purchase from live app, my server did not receive any notification even though the production url was the same as the sandbox url. The purchase was for a consumable product. Please help, thanks.
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488
May ’25