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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Need Clarification on Using Location Push Service Extension for Firefighter Check-In/Check-Out
I’m building a firefighter app that needs to automatically check in a firefighter when they arrive at the station and check them out when they leave — even if the app is killed. We need reliable enter/exit detection, low latency, and only one fixed location per user. We’re evaluating Region Monitoring, which works in the killed state but may introduce delays and inconsistent accuracy. To ensure mission-critical reliability, we are considering the Location Push Service Extension, since it can fetch precise location on demand and wake the extension even when the app is terminated. Before requesting the restricted entitlement, we need clarification on Apple’s expectations: Is Region Monitoring recommended for this fixed-location use case? Would Apple consider approving the Location Push Service Extension for a public-safety workflow? What prerequisites do we need before submitting the entitlement request (Always permission, prototype, privacy disclosures, etc.)? What details should be included in the justification form? Our goal is to follow the most reliable and Apple-approved approach for firefighter check-in/out. Any guidance would be greatly appreciated.
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101
Nov ’25
Regarding "Overview of app transfer"
My iPhone VoIP app, which I'm developing, uses Apple Push Notification service (APNs). I have a question regarding the following statement found in "[Overview of app transfer > Apps using push notifications]" Overview of app transfer You must manually reestablish push notification services if transferring an app that uses the Apple Push Notifications service (APNs). The recipient must create a new client SSL certificate using their developer account, as associated client SSL certificates, TLS certificates, and authentication tokens aren’t transferred. Question Let's say the recipient of the app transfer creates a "new SSL certificates, TLS certificates, and authentication tokens." Afterward, we need to verify that the Apple Push Notification service (APNs) works correctly when combining the transferred app with this "new SSL certificates, TLS certificates, and authentication tokens." However, until the recipient finishes verifying that it works correctly, the transferor want to keep the app available for download as before and be able to use the Apple Push Notification service. Is this possible? More specifically, can the recipient test the app to be transferred on TestFlight "before the transfer is completed"? I want to combine it with the "new SSL certificates, TLS certificates, and authentication tokens." and test it on TestFlight. Reading "[Initiate an app transfer]," it mentions the existence of a "Pending App Transfer" status. During this "Pending App Transfer" status, can the recipient test the app on TestFlight? Initiate an app transfer After you initiate the transfer, the app stays in its previous status, with the Pending App Transfer status added, until the recipient accepts it or the transfer expires after 60 days. Also, if there are any documents describing these procedures, I would appreciate it if you could share them. Thank you very much.
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287
Dec ’25
Push payload is not present on notification tap
I am checking if the user taps on the firebase push notification and get the payload. override func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) { let userInfo = response.notification.request.content.userInfo os_log("notification tapped %{public}@", log: OSLog.push, type: .info, userInfo) handleNotificationPayload(userInfo as! [String: AnyObject]) setFlutterLinkClickedVariable() } My use case is in app terminated state when push notification is tapped, get the link from payload and navigate to corresponding screen based on the link. This is working when there is only one push notification. When there are multiple push notifications with different links in the payload, only the first notification I tap works. Rest of the notifications just launches the app and does not navigate because the link is not set. I am getting the link from the payload and invoking flutter code which sets the link in the user defaults (shared preferences) and when the app launches in the home screen it checks for this variable and navigates accordingly. func handleNotificationPayload(_ payload: [String: AnyObject]) { if let link = payload["link"] as? String { setFlutterLinkVariable(link) } } override func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable : Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) { os_log("app did receive remote notification %{public}@", log: OSLog.push, type: .info, userInfo) handleNotificationPayload(userInfo as! [String : AnyObject]) completionHandler(.newData) } Currently when there is only one push notification it works because the link is set from the above method. The click delegate is not calling. I did set the delegate in application(:didFinishLaunchingWithOptions). UNUserNotificationCenter.current().delegate = self application.registerForRemoteNotifications() How to solve this issue? Thanks.
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778
Apr ’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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Jun ’25
CloudKit Subscriptions Not Triggering Push Notifications - No NotificationSend Events
ISSUE: CloudKit subscriptions are not triggering push notifications despite correct configuration. CloudKit logs show RecordSave events but NO NotificationSend events, indicating CloudKit is not attempting to send to APNS. CONTAINER: iCloud.Wunderkind.StrikeForceApp ENVIRONMENT: Tested in both Development and Production iOS 18.6.x Xcode 15.x (update with your version) Device: iPhone (not simulator) EVIDENCE: Subscriptions exist and are visible in CloudKit Dashboard Records are being created successfully (verified in logs) Device token is registered: 60eb962ff189dc5c2c0ef3e9d6643d72b4442a831bae224d2a553588b2e29139 Local notifications work correctly CloudKit logs show RecordSave but NO NotificationSend events STEPS TAKEN: Regenerated push certificates Disabled and re-enabled Push Notifications capability Deleted and recreated subscriptions Tested in both Development and Production environments Verified aps-environment entitlement matches environment Confirmed notification permissions granted SPECIFIC TEST: Creating a Challenge record with recipientRef matching my user triggers: ✅ RecordSave event in CloudKit logs ❌ No NotificationSend event ❌ No push notification received EXPECTED: CloudKit should send NotificationSend events and deliver push notifications when subscriptions match. ACTUAL: No NotificationSend events appear in CloudKit logs, no notifications delivered.
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149
Sep ’25
Error when running Live Activities
Hi there, This is my first time posting here. I'm working on small projects on Swift and SwiftUI now and then. I'm currently trying to develop an application that gets some bus arrival data using API and displaying them with live activities. The thing is that I'm not quite sure how frequently updates work yet. Still trying to figure out if I can update the live activity everytime the data coming right from the API changes or use push notification updates each minute passing by, but that is another thread that I'm going to focus with more details. Everytime i'm trying to deploy my app on my iphone or a simulator this error keeps popping up and I can't figure out why. Any ideas? Let me know if you need any snippet of my code. SendProcessControlEvent:toPid: encountered an error: Error Domain=com.apple.dt.deviceprocesscontrolservice Code=8 "Failed to show Widget 'com.gregorikouk.MapKitTut.BusWidgetKit' error: Error Domain=FBSOpenApplicationServiceErrorDomain Code=1 "The request to open "com.apple.springboard" failed." UserInfo={NSLocalizedFailureReason=The request was denied by service delegate (SBMainWorkspace)., BSErrorCodeDescription=RequestDenied, NSUnderlyingError=0xb1282dfe0 {Error Domain=SBAvocadoDebuggingControllerErrorDomain Code=1 "Failed to get descriptors for extensionBundleID (com.gregorikouk.MapKitTut.BusWidgetKit)" UserInfo={NSLocalizedDescription=Failed to get descriptors for extensionBundleID (com.gregorikouk.MapKitTut.BusWidgetKit)}}, FBSOpenApplicationRequestID=0xe5da, NSLocalizedDescription=The request to open "com.apple.springboard" failed.}." UserInfo={NSLocalizedDescription=Failed to show Widget 'com.gregorikouk.MapKitTut.BusWidgetKit' error: Error Domain=FBSOpenApplicationServiceErrorDomain Code=1 "The request to open "com.apple.springboard" failed." UserInfo={NSLocalizedFailureReason=The request was denied by service delegate (SBMainWorkspace)., BSErrorCodeDescription=RequestDenied, NSUnderlyingError=0xb1282dfe0 {Error Domain=SBAvocadoDebuggingControllerErrorDomain Code=1 "Failed to get descriptors for extensionBundleID (com.gregorikouk.MapKitTut.BusWidgetKit)" UserInfo={NSLocalizedDescription=Failed to get descriptors for extensionBundleID (com.gregorikouk.MapKitTut.BusWidgetKit)}}, FBSOpenApplicationRequestID=0xe5da, NSLocalizedDescription=The request to open "com.apple.springboard" failed.}., NSUnderlyingError=0xb1281d830 {Error Domain=FBSOpenApplicationServiceErrorDomain Code=1 "The request to open "com.apple.springboard" failed." UserInfo={NSLocalizedFailureReason=The request was denied by service delegate (SBMainWorkspace)., BSErrorCodeDescription=RequestDenied, NSUnderlyingError=0xb1282dfe0 {Error Domain=SBAvocadoDebuggingControllerErrorDomain Code=1 "Failed to get descriptors for extensionBundleID (com.gregorikouk.MapKitTut.BusWidgetKit)" UserInfo={NSLocalizedDescription=Failed to get descriptors for extensionBundleID (com.gregorikouk.MapKitTut.BusWidgetKit)}}, FBSOpenApplicationRequestID=0xe5da, NSLocalizedDescription=The request to open "com.apple.springboard" failed.}}} Domain: DTXMessage Code: 1 User Info: { DVTErrorCreationDateKey = "2023-10-02 21:06:04 +0000"; } -- System Information macOS Version 14.0 (Build 23A344) Xcode 15.0 (22265) (Build 15A240d) Timestamp: 2023-10-03T00:06:04+03:00
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2.3k
Feb ’25
Using notifyUserWithHaptic for Background Alarms in Standalone Watch App
I’m building a standalone Apple Watch smart alarm app that should trigger alarms on the watch in response to Bluetooth or internet events. This means the app operates in the background and attempts to trigger an alarm when such an event occurs. As far as I know, the appropriate API for this is WKExtendedRuntimeSession.notifyUserWithHaptic:repeatHandler. However, I can’t seem to start an extended runtime session while the app is in the background. I’m getting the following error: -[WKExtendedRuntimeSession _invalidationReasonAndDelegateCallbackErrorForError:outCallbackError:]:729: WKExtendedRuntimeSession hit internal error. Error Domain=com.apple.CarouselServices.SessionErrorDomain Code=17 "startSession cannot be called on a scheduled session" UserInfo={NSLocalizedDescription=startSession cannot be called on a scheduled session} Calling notifyUserWithHaptic directly also similarly fails. It seems notifyUserWithHaptic is intended to be scheduled during a foreground session to trigger at a later time, rather than being called ad hoc from a background context. Is there any way to create a proper alarm view on the Apple Watch from a background execution context?
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137
Jul ’25
CarPlay: no banner or sound for APNs while connected, works on phone (iOS 18.0, UNNotificationCategoryOptions.allowInCarPlay)
Hi everyone! I’m integrating push notifications for a taxi-driver app and ran into a blocking CarPlay issue. When the iPhone is connected to CarPlay (wired or wireless), the push arrives on the phone without any sound and nothing is shown or announced on the CarPlay screen. If I unplug CarPlay, the same push plays the default sound and shows a normal banner on the lock screen, so the payload itself looks valid. Environment iPhone 13 Pro, iOS 18.0 CarPlay head-unit: Xcode 16.2 CarPlay Simulator App built with Flutter 3.22 + firebase_messaging: ^15.2.5 Deployment target: iOS 14.0 Xcode capabilities enabled: Push Notifications, Time-Sensitive Notifications App settings on the device: Allow Notifications -› Sounds ON, Show in CarPlay ON Siri › Announce Notifications › CarPlay: master toggle ON + my app added to the allowed list Driving Focus = Off (same result if it’s On) Native setup in AppDelegate.swift UNUserNotificationCenter.current().requestAuthorization( options: [.alert, .sound, .badge, .carPlay] ) { _,_ in } let carPlayCategory = UNNotificationCategory( identifier: "CARPLAY_ORDER", actions: [], intentIdentifiers: [], options: [.allowInCarPlay] ) UNUserNotificationCenter.current().setNotificationCategories([carPlayCategory]) UNUserNotificationCenter.current().delegate = self application.registerForRemoteNotifications() APNs payload that I send via FCM { "aps": { "alert": { "title": "New test order", "body": "Location info test" }, "sound": "default", "category": "CARPLAY_ORDER", "interruption-level": "time-sensitive", "relevance-score": 1 } } What could be the problem? Please help me solve the error
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156
Jun ’25
My app suddenly cannot receive push notifications
My app(The Smart Life app) is unable to receive push notifications. Please confirm whether APNs has received push notifications from Alibaba Cloud and whether APNs has successfully pushed notifications to the Smart Life app.The Smart Life app uses Alibaba Cloud's push notification service. The message ID pushed by Alibaba Cloud is: f7a02288-a995-47ed-b417-837461028f03 Current Symptom: Alibaba Cloud has reported that this message has been successfully pushed to APNs, but the smart life app has not received any push notifications. The feedback log from Alibaba Cloud shows that the APNs push was successful, but the smart life app did not receive any push. Because APNs do not have message receipts and Alibaba Cloud cannot obtain notification delivery status, it is recommended that I use the APNs channel message ID to submit a work order to Apple technical support for investigation. Note: All push notification permissions for the Smart Life app are enabled, and the Smart Life app is in the foreground when push notifications are sent.
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102
Sep ’25
CarPlay Driving Task notification press handling
We're trying to add simple notifications to our CarPlay integration that should open certain template when pressed, but the issue is that when pressing this notification on CarPlay screen nothing is invoked in the code (presumably didReceive should be invoked). All works fine with the same notification but pressed on the iPhone screen - didReceive is invoked properly. How should I handle the action when push notification is pressed on CarPlay screen?
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206
Sep ’25
Push Live Activity not showing up
This is in an iOS Simulator running iOS 18.2 I send a start live activity push notification from the Push Notifications Console on icloud.developer.apple.com. When checking the console.log output it seems to receive the message, yet the activity does not appear in the dynamic island. (the app is backgrounded when I test this) Can anyone tell me why it's not showing? Starting the same activity from within the app using Swift code works fine. Here is the console.app output: default 11:01:59.060954+0100 apsd <APSConnectionServer: 0x104207b80; development/com.apple.aps.sessioncore.PushNotifications.dev/liveactivitiesd 0>: Sending push to client. UUID: (null) default 11:01:59.061012+0100 apsd Dispatching high priority message on server: <APSConnectionServer: 0x104207b80; development/com.apple.aps.sessioncore.PushNotifications.dev/liveactivitiesd 0> default 11:01:59.061770+0100 apsd Looking up connection on peer: 4304b50 found <APSConnectionServer: 0x104207b80; development/com.apple.aps.sessioncore.PushNotifications.dev/liveactivitiesd 0> default 11:01:59.062283+0100 liveactivitiesd APSXPCDeliverMessageEvent: Created APSIncomingMessage. UUID: (null) default 11:01:59.062642+0100 liveactivitiesd <APSConnection: 0x600003d18000> Delivering message from apsd: <APSIncomingMessage: 0x600000c2e9a0> 2897852514 com.****.****.push-type.liveactivity default 11:01:59.062763+0100 liveactivitiesd <APSConnection: 0x600003d18000> Delivering message from apsd. UUID: (null) default 11:01:59.063374+0100 liveactivitiesd <APSConnection: 0x600003d18000> making delegate (<SessionPushNotifications.APSPushConnection: 0x600000227460>) calls to deliver message 2897852514 { aps = { alert = { "loc-key" = "recording_started_message"; "title-loc-key" = "recording_started_title"; }; attributes = { isRecording = 1; }; "attributes-type" = SWAutomaticTripRecorderActivityAttributes; "content-state" = { distance = 0; }; event = start; timestamp = 1742374701; }; } for topic com.****.****test.push-type.liveactivity default 11:01:59.063440+0100 liveactivitiesd <APSConnection: 0x600003d18000> calling <SessionPushNotifications.APSPushConnection: 0x600000227460> connection:didReceiveIncomingMessage: default 11:01:59.063740+0100 liveactivitiesd Acquiring keep-alive with reason: Received message default 11:01:59.063785+0100 liveactivitiesd Keep-alive reasons: ["Received message": 1] default 11:01:59.063803+0100 liveactivitiesd <APSConnection: 0x600003d18000> returned from <SessionPushNotifications.APSPushConnection: 0x600000227460> connection:didReceiveIncomingMessage: default 11:01:59.063883+0100 liveactivitiesd <APSConnection: 0x600003d18000> responding with an ack for message with guid E19D7D04-12A0-4F1B-B33C-F6BF57EE2EFF default 11:01:59.063921+0100 liveactivitiesd <APSConnection: 0x600003d18000> responding with an ack. UUID: (null) default 11:01:59.063996+0100 apsd Looking up connection on peer: 4304b50 found <APSConnectionServer: 0x104207b80; development/com.apple.aps.sessioncore.PushNotifications.dev/liveactivitiesd 0> default 11:01:59.064019+0100 apsd <APSUserCourier 0x100f052a0 development 0> informed that <APSConnectionServer: 0x104207b80; development/com.apple.aps.sessioncore.PushNotifications.dev/liveactivitiesd 0> acknowledges incoming message with guid E19D7D04-12A0-4F1B-B33C-F6BF57EE2EFF tracingUUID (null) default 11:01:59.064063+0100 liveactivitiesd Received message: topic: Topic(unsuffixed: "com.****.****test"); channelID: nil; token: Optional(128 bytes); eventType: start(SessionPushNotifications.IncomingMessage.EventType.StartParameters(attributesType: "SWAutomaticTripRecorderActivityAttributes", attributesData: 20 bytes, inputs: [])) for environment: development default 11:01:59.064198+0100 liveactivitiesd Received push event for com.****.****test::pushToStart default 11:01:59.064232+0100 liveactivitiesd Adding push-to-start budget for com.****.****test::pushToStart default 11:01:59.064273+0100 liveactivitiesd Acquiring keep-alive with reason: Database default 11:01:59.064296+0100 liveactivitiesd Keep-alive reasons: ["Database": 1, "Received message": 1] default 11:01:59.064313+0100 liveactivitiesd Acquiring keep-alive with reason: Database default 11:01:59.064330+0100 liveactivitiesd Keep-alive reasons: ["Database": 2, "Received message": 1] default 11:01:59.064342+0100 liveactivitiesd Reduced budget for com.****.****test::pushToStart to: 9 default 11:01:59.064358+0100 liveactivitiesd Topic com.****.****test.push-type.liveactivity has remaining budget for pushToStart of 9 default 11:01:59.064369+0100 liveactivitiesd Topic com.****.****test.push-type.liveactivity has not used any budget for activity default 11:01:59.064436+0100 liveactivitiesd Scheduling wake to re-evaluate push subscription budgets at 2025-03-19 11:01:59 +0000 default 11:01:59.064547+0100 liveactivitiesd Earliest nonwaking date from task "Push server budget timeout expiration": 2025-03-19T12:01:59+01:00, finalWakeTarget: 2025-03-19T12:01:59+01:00 3599.999696 default 11:01:59.064593+0100 liveactivitiesd Earliest waking date from task "Push server budget timeout expiration": 2025-03-19T12:01:59+01:00, finalWakeTarget: 2025-03-19T12:01:59+01:00 3599.999651 default 11:01:59.064620+0100 liveactivitiesd Scheduling nonwaking task for: 2025-03-19T12:01:59+01:00 in 3599.999622s default 11:01:59.064659+0100 liveactivitiesd Scheduling waking task for: 2025-03-19T12:01:59+01:00 in 3599.999584s default 11:01:59.064671+0100 liveactivitiesd Acquiring keep-alive with reason: wake scheduling default 11:01:59.064692+0100 liveactivitiesd Keep-alive reasons: ["Database": 2, "Received message": 1, "wake scheduling": 1] default 11:01:59.064734+0100 liveactivitiesd Scheduling waking task for adjusted date: 2025-03-19T12:01:59+01:00 in 3599.999508s default 11:01:59.064768+0100 liveactivitiesd xpc_activity_register: com.apple.sessionkit.wake, criteria: dictionary default 11:01:59.064843+0100 liveactivitiesd Received pushToStart notification for com.****.****test::pushToStart default 11:01:59.064955+0100 liveactivitiesd Keep-alive reasons: ["Database": 2, "Received message": 1] default 11:01:59.064979+0100 liveactivitiesd Publishing event: timestamp: 2025-03-19 08:58:21 +0000; activityIdentifier: F432AB2F-1799-4437-B54B-6D9D70A0B260; eventType: start(SessionPushNotifications.PushEvent.EventType.ActivityStartParameters(attributesType: "SWAutomaticTripRecorderActivityAttributes", attributesData: 20 bytes, contentSourceRequests: [ActivityKit.ActivityContentSource.Request.push(request: ActivityKit.PushActivityContentSource.Request.push, target: ProcessDescriptor.Request("com.****.****test")), ActivityKit.ActivityContentSource.Request.process(target: ProcessDescriptor.Request("com.****.****test"))]))
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102
Mar ’25