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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didRegisterForRemoteNotificationsWithDeviceToken Not Called on iOS 18.1.1
I'm experiencing issues with didRegisterForRemoteNotificationsWithDeviceToken not being called on iOS 18.1.1. Here's what I've tried: Basic Setup: Properly configured UNUserNotificationCenter Requested permissions with requestAuthorization(options:) Registered for remote notifications with registerForRemoteNotifications() Environment: Xcode 16.3 iOS 18.1.1 (physical device) Firebase (tried with and without it) Troubleshooting: Verified provisioning profile includes Push Notifications Confirmed APNs certificate is valid Disabled Firebase's method swizzling Tested on a clean project (works fine) Checked device logs (no relevant errors) Code Snippet: // In AppDelegate.swift public func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) { let tokenParts = deviceToken.map { data in String(format: "%02.2hhx", data) } let tokenString = tokenParts.joined() print("📱 Device Token: \(tokenString)") // Store the token for your backend UserDefaults.standard.set(tokenString, forKey: "deviceToken") // Send to backend Task { do { try await APIService.shared.setDeviceToken(tokenString) } catch { print("❌ [AppDelegate] Failed to send device token to backend: \(error)") } } } public func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil) -> Bool { // IMPORTANT: First handle push notification registration UNUserNotificationCenter.current().delegate = self // Request notification permissions self.requestNotificationPermissions() // Register for remote notifications DispatchQueue.main.async { UIApplication.shared.registerForRemoteNotifications() } return true } private func requestNotificationPermissions() { UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .badge, .sound]) { granted, error in guard granted else { print("❌ Notification permission not granted") return } print("✅ Notification permission granted") } }
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99
May ’25
Badge Number Persists When Re-Installing Application
I have been working on adding a badge number count to my app, but have run into a really weird edge case. If I have a badge number on my app, delete the application and then re-install it, the badge number still persists on the app icon until I first open the app. I tried looking to see if there is a lifecycle method that is triggered upon uninstalling an app as well as if there is a specific userDefaults attribute to check in order to clear the badge, but I can't find any clear solutions. Does anyone know of a fix to this issue?
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312
Feb ’25
Enabling voip in react native
Currently working on a dating app which needs voip for audio and video calls for ios. the voip notifications only comes to the app in active and inactive mode but doesnt wake the device in background or terminated mode. After debugging i noticed that com.apple.developer.voip entitlement wasnt included which i later added, trying to create a build i get the eas error that the entitlement wasnt added to the identifier capabilities. My issue now is that i can't seem to find the voip capability to check in the identifiers capabilities list for the bundle id.d
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107
Jun ’25
Status of Notification Service Extension filtering entitlement
Hi Apple engineering team, I contacted Developer Support regarding the status of our entitlements request, and they recommended that I post here for visibility. It’s been just over two weeks since we submitted the request, and we haven’t received any updates yet. We understand these requests can take time, but it’s unclear what the typical timeline looks like or if there’s any way to check on the progress. Is there a way to get an update or better understand where we are in the process? We’re trying to plan our release and would really appreciate any guidance on what to expect. Thanks in advance for your help.
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130
May ’25
UNNotificationServiceExtension Not Displaying Sender Image
I created a Notification Service Extension to display profile images in place for the app image (i.e. iMessage). I send a remote push notification via Firebase Functions, and in the payload, the relevant profile image url string. The profile image url string in the payload is successfully delivered as it appears in my console log and AppDelegate didReceiveRemoteNotification function. My problem is the profile image does not replace the default app icon image in the remote push notification. Below is my configuration. Any guidance would be appreciated! Main target app: the info plist contains NSUSerActivityTypes = [INSendMessageIntent]. The Communications Notifications capability is enabled and "Copy only when installing" in Build Phases Embed Foundation Extensions Notification Service Extension plist: contains NSExtension > NSExtensionAttributes > IntentsSupported > INSendMessageIntent. Notification Service Extension class code: var contentHandler: ((UNNotificationContent) -> Void)? var bestAttemptContent: UNMutableNotificationContent? override func didReceive(_ request: UNNotificationRequest, withContentHandler contentHandler: @escaping (UNNotificationContent) -> Void) { self.contentHandler = contentHandler bestAttemptContent = (request.content.mutableCopy() as? UNMutableNotificationContent) guard var bestAttemptContent = bestAttemptContent else { return } guard let fcmOptions = bestAttemptContent.userInfo["fcm_options"] as? [String: Any], let attachmentUrlAsString = fcmOptions["imageURL"] as? String else { contentHandler(bestAttemptContent) return } if let attachmentUrl = URL(string: attachmentUrlAsString) { var senderNameComponents = PersonNameComponents() senderNameComponents.nickname = bestAttemptContent.title let profileImage = INImage(url: attachmentUrl) let sender = INPerson(personHandle: INPersonHandle(value: "1233211234", type: .unknown), nameComponents: senderNameComponents, displayName: bestAttemptContent.title, image: profileImage, contactIdentifier: nil, customIdentifier: nil, isMe: false) let receiver = INPerson(personHandle: INPersonHandle(value: "1233211234", type: .unknown), nameComponents: nil, displayName: nil, image: nil, contactIdentifier: nil, customIdentifier: nil, isMe: true) let intent = INSendMessageIntent( recipients: [receiver], outgoingMessageType: .outgoingMessageText, content: "Test", speakableGroupName: INSpeakableString(spokenPhrase: "Sender Name"), conversationIdentifier: "sampleConversationIdentifier", serviceName: nil, sender: sender, attachments: nil ) intent.setImage(profileImage, forParameterNamed: \.sender) let interaction = INInteraction(intent: intent, response: nil) interaction.direction = .incoming interaction.donate(completion: nil) if #available(iOSApplicationExtension 15.0, *) { do { bestAttemptContent = try bestAttemptContent.updating(from: intent) as! UNMutableNotificationContent } catch { contentHandler(bestAttemptContent) return } } contentHandler(bestAttemptContent) } else { contentHandler(bestAttemptContent) return } } }
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1.1k
Nov ’25
Darwin Notification vs polling every 5 seconds.
There is one xpc server and two xpc clients (clientA and clientB). When clientB sends a message to the xpc server, xpc server fills a value for dummyString in it's memory and I want clientA to know that dummyString got updated and also the new value for this dummyString. The updation of dummyString is not something that happens often. Two options we tried: Have a timer for 5 seconds in clientA and keep polling and request for the value of this dummyString. Setup a darwin notification in server that gets posted whenever dummyString is being updated. clientA receives requests for dummyString value only when it observes a notification being posted. Which of these two approaches causes the least delay for clientA to know the updated value of dummyString?
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456
Feb ’25
How can I check applicationState by tap anps push cards?
when I implementation the UNUserNotificationCenterDelegate func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) { var status = "" if (UIApplication.shared.applicationState == .active) { status = "active" } else if (UIApplication.shared.applicationState == .background) { status = "background" } else if (UIApplication.shared.applicationState == .inactive) { status = "inactive" } completionHandler() } I find that UIApplication.shared.applicationState == .background this case can not execute when application is in background。 why applicationState is inactive not background?
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202
Mar ’25
Getting null data from App Store Server Notification
Hello Apple Support Team, We are using auto-renew plans in our app We have set the webhook URL in our App Store Connect account to get the Store server notification to get the auto renew data for an user The issue is when a user purchases any auto-renew plan at the auto-renew time, we are getting null data from the Apple side. We have printed the log's data to check what data are coming from the Apple webhook. we have attached our logs data please check it and let me know what can we do to resolve this
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109
Jun ’25
Provisioning Profile Missing com.apple.developer.push-notifications Entitlement Despite Correct Setup
Hi all, I’m running into an issue with provisioning profiles not including the com.apple.developer.push-notifications entitlement — even though everything seems to be configured correctly. Here's what I’ve done: Checked the App ID has Push Notifications enabled. I’ve clicked “Configure” and created a Production APNs certificate under the App ID. I’ve regenerated the provisioning profiles (Ad Hoc and App Store). I can see within the profiles within App Store Connect that the push notifications capability is listed I’ve downloaded and decoded the profiles using: security cms -D -i profile.mobileprovision > decoded.plist But com.apple.developer.push-notifications is still missing under the <key>Entitlements</key> block. This is causing issues because: When I submit the build to eas I receive this error from XCode: - Provisioning profile "*** Adhoc" doesn't include the com.apple.developer.push-notifications entitlement. Profile qualification is using entitlement definitions that may be out of date. Connect to network to update. (in target '***' from project '***') Refer to "Xcode Logs" below for additional, more detailed logs. To isolate the issue further I: Created a completely new App ID, enabling Push Notifications from the start. Created new APNs certificate. Generated new provisioning profiles with a valid distribution certificate. Still no push entitlement embedded in the profile. Question: Has anyone else encountered this issue where Push Notifications are enabled and configured, but the entitlement still fails to embed in the profile? Thanks in advance.
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156
Jun ’25
Sending 'notification' risks causing data races
I'm attempting to leverage notifications in an app that is in Swift 6 language mode. I have the following code: func startLocationUpdates() { //if self.manager.authorizationStatus == .notDetermined { // self.manager.requestWhenInUseAuthorization() //} self.logger.info("Starting location updates") Task { do { let updates = CLLocationUpdate.liveUpdates() for try await update in updates { if !self.updatesStarted { break } // End location updates by breaking out of the loop. self.lastUpdate = update if let loc = update.location { self.lastLocation = loc self.isStationary = update.stationary self.count += 1 self.logger.info("Location \(self.count): \(self.lastLocation)") } if lastUpdate!.insufficientlyInUse { let notification = UNNotificationRequest(identifier: "com.example.mynotification", content: notificationContent, trigger: nil) try await UNUserNotificationCenter.current().add(notification) } } } catch { self.logger.error("Could not start location updates") } return } } As an aside, the above is directly taken from the following sample: https://developer.apple.com/documentation/CoreLocation/adopting-live-updates-in-core-location. With Swift 6 language mode enable, this generates a compiler error for the statement: try await UNUserNotificationCenter.current().add(notification) Sending main actor-isolated 'notification' to nonisolated instance method 'add' risks causing data races between nonisolated and main actor-isolated uses How can I fix this?
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577
Feb ’25
Action Required: Apple Push Notification Service Server Certificate Update
Hi Apple Team, we reiceved the following message. Hello, We’re reaching out with a final reminder that the Certification Authority (CA) for Apple Push Notification service (APNs) is changing. APNs updated the server certificates in sandbox on January 21, 2025. APNs production server certificates will be updated on February 24, 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. Our web service sends token-based push notifications directly to the Apple Push server. For testing: https://api.development.push.apple.com:443 In production: https://api.push.apple.com:443 We have never installed any certificates for using APNs. Do we need to take any action regarding this message, or can we ignore it?
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3.2k
Feb ’25
Persistent iOS Signing & UIBackgroundModes Entitlement Issue
Problem Statement We are experiencing a critical and persistent issue preventing the successful signing and building of our iOS application. The core problem is that provisioning profiles, whether automatically generated by Xcode or manually created in the Apple Developer Portal, consistently fail to include the UIBackgroundModes entitlement, leading to a build failure. Specific Question Why are provisioning profiles generated via the Apple Developer Portal and/or Xcode's automatic signing process consistently omitting the UIBackgroundModes entitlement for our App ID, even when this capability is explicitly configured in Xcode? We seek guidance or backend intervention to ensure our provisioning profiles include the necessary entitlement. Expected Outcome We expect to be able to successfully build and sign our iOS application, with provisioning profiles that correctly include the UIBackgroundModes entitlement, allowing for proper implementation of remote notifications. Observed Symptoms Primary Build Error: Consistent build failure with the exact error message: "Automatic signing failed: Provisioning profile 'iOS Team Provisioning Profile: com.scott.ultimatefix' doesn't include the UIBackgroundModes entitlement." Missing Entitlement in Profile (Confirmed by Inspection): Direct inspection of downloaded .mobileprovision files (including those manually generated in the Developer Portal for com.scott.ultimatefix) consistently shows the absence of the UIBackgroundModes entry within the section of the Entitlements dictionary. The aps-environment key for Push Notifications is present, indicating Push Notifications are enabled, but Background Modes are not. Certificates Correctly Recognized in Xcode: Our "Apple Development: Stephen Criscell Scott" and "Apple Distribution: Stephen Criscell Scott" certificates are correctly displayed and recognized in both Keychain Access and Xcode's Preferences > Accounts > Manage Certificates window (without "Not in Keychain" status). Furthermore, the Signing & Capabilities tab for the target in Xcode now correctly shows Signing Certificate: Apple Development: Stephen Criscell Scott. Persistent Issue Across Resets: The problem persists despite extensive local cache invalidation, Xcode reinstallation, and even testing in a fresh macOS user account (which confirmed the issue was not user-specific).
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133
Jun ’25
NSUserNotificationsUsageDescription only works for certain locales
I'm trying to provide custom localized descriptions for the iOS notification permission popup in my app, which supports multiple locales. To achieve this, I'm using InfoPlist.strings files per locale with the following keys: NSUserNotificationsUsageDescription NSUserTrackingUsageDescription The issue I'm facing is that NSUserTrackingUsageDescription is working correctly across all tested locales, but NSUserNotificationsUsageDescription only works for some locales. Locales tested: Working: ja, tr, fr-CA Not working: fr-BE, nl-BE In each case, the correct localized NSUserTrackingUsageDescription appears, but the NSUserNotificationsUsageDescription falls back to the default or does not appear as expected in fr-BE and nl-BE. I'm using Xcode 16 and testing on both iOS 18 simulator and physical devices, and the issue is consistent across both. Any insights on whether this is a known issue in iOS or if there are additional steps needed for NSUserNotificationsUsageDescription to localize properly would be greatly appreciated.
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213
Jun ’25
React Native iOS - Notification Service Extension Not Working
I've added a Notification Service Extension as a target to my React Native iOS app following Apple's official documentation. After completing all the setup steps as outlined in the documentation, the notification titles remain unchanged - notifications are arriving without any modifications, suggesting the extension isn't functioning properly.Testing Details: Sending notifications via Apple Push Notification Console Tested on iPhone 16 Pro Max (physical device) Tested on iPhone 15 Pro simulator Both show the same issue - no title modifications The extension appears to not be executing at all. Has anyone encountered similar issues with Notification Service Extensions in React Native projects, or can suggest troubleshooting steps to verify the extension is properly configured and running?
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99
Aug ’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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539
Feb ’25
api.push.apple.com always return 400 bad devicetoken
everytime i get my devicetoken from mdm certification,send to apns (api.push.apple.com 443),always return 400,please help me confirm if the devicetoken is expired or somethine wrong else here is the request and response device_token:79c3aec2b2c2b672c3b756c3910977c3a936c3aae280985ac380e280a6091cc2bfc3a132192b14c392c2be7a2ee280a229c3aa push_magic:AAFDAB81-0E63-4B72-A60A-1F8085325870 status_code: 400 headers: {'apns-id': '14BDD477-7D76-A2FB-582C-140BBD95A420'} resp: {'reason': 'BadDeviceToken'}
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131
Jun ’25