Delve into the world of built-in app and system services available to developers. Discuss leveraging these services to enhance your app's functionality and user experience.

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Can the App Clip banner for full app download be disabled?
Hello, I have a question about the default UI in an App Clip. I know that when App Clip launches, a system banner appears at the top for a few seconds, prompting the user to download the full app from the App Store. I'd like to confirm if this is the standard, default behavior for all App Clips. More importantly, is there any way to disable or hide this banner? We would prefer to manage the prompt to download the full app within our own UI. Thanks in advance for your help!
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54
Nov ’25
Extract raw Screen Time data? Security says it's 'expected'
Hi everyone, I have a question regarding the intended privacy limits of the DeviceActivityReportExtension. According to the documentation and the WWDC21 session "Meet the Screen Time API", this extension was created specifically to prevent the host application from accessing the user's underlying activity data (websites visited, app usage, screen time, etc). But I have found that my host app is actually able to reconstruct this raw activity data from the activity report. I am able to extract specific visited websites and app usage durations back into the main app. I reported this to Apple Security (Case ID: OE1100504480881 ), assuming it was a sandbox bypass. However, they closed the ticket stating that this is "expected behavior" and requires no fix. My question for Screen Time Engineers: Is the documentation incorrect? If my host app is expected to be able to read this data, is there a formal API we should be using instead of extracting it from the report extension? The current behavior contradicts the privacy limits described in the documentation, so I am confused if I should rely on this data access for my app features or if it will be patched later. Thanks.
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174
Dec ’25
WeatherKit DayWeather::date Timezone Issue
I use WeatherKit with Swift to get multiple cities weather by longitude and latitude. But I use this API in WeatherService for daily forecast: final public func weather<T>(for location: CLLocation, including dataSet: WeatherQuery<T>) async throws -> T And I found there is something wired: The date of WeatherKit::DayWeather is based on my device's timezone settings. Tokyo's Day Weather is start at UTC+8, New York' Day Weather is start UTC+8. Is there any way to set timezone correctly?
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121
Apr ’25
iMessage functionality
Hey guys! I've recently noticed a number of PaaS'es and CPaaS'es offering bulk outgoing messaging using the iMessage the same way it's done with the SMS. I always thought that iMessage sort of only allowed businesses to send outgoings subject to user contacting their account first (to avoid being spammed). But then there's those I mentioned above. Have you faced anything like this? Did Apple make changes to the model so that businesses can now initiate conversations with users? If so, how does it work?
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117
Oct ’25
DeviceActivityReport failing to load "Code = 2"
Hi! For some reason my DeviceActivityReport sometimes fails to load. I've tried setting up a very simple mock views and displaying a report with a simple "Hello world" but even that won't work. It prints the following error message in the terminal but doesn't show anything else or any context as to what has gone wrong. Failed to update the client's configuration: Error Domain=DeviceActivityReportService.ReportViewController.ClientError Code=2 "(null)" It seems like the "makeConfiguration" method for the report isn't even being invoked. That may though just be an issue with printing messages in the extension. Any help on what could be the issue, or even just a message that you're being the same thing would be greatly appreciated!
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140
Oct ’25
Screen Time differences between DeviceActivityMonitor and times shown in DeviceActivityReport
I am still struggling to nail down the screen time between monitoring and showing it in a DeviceActivityReport. It's always off by a couple of percentage points, which results in a difference of a couple of minutes between the time shown for my total screen time in DeviceActivityReport and DeviceActivityMonitor with a threshold set for all apps/websites/categories. In the report, I am looping through all segment (there is only 1 segement using .daily segment interval for a given day) then loop through all categories and all apps within each category and sum up all totalActivityDuration for each app. Based on avaiable documentation, that should corrolate to DeviceActivityMonitor threshold but it doesn't. Are there any differences in how these 2 places count screen time? Are there any apps/core ios services which are excluded from DeviceActivityMonitor. Would appreciate any help at all, I'm losing my mind here. My current suspicion is that Apple Developer documentation is counted twice. i.e. this website https://developer.apple.com/documentation/deviceactivity/deviceactivitymonitor shows up in usage as an App with bundleId of apple.developer.wwdc-release and time spent there is counted twice, against this bundleId AND Safari. I don't know why it's not counted as a webdomain.
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223
Sep ’25
[iOS 26] [PushToTalk] Not receiving microphone PCM sample when Transmission Starts from System UI.
Steps To reproduce: Login to application and App has joined the PTC channel. Push the application to background and Lock the device. From the System UI press the talk button which will start transmit. Audio Session has been activated and Audio unit has been initialised properly. On terminator side no media is being played out. Issue observed consistently on specific models which has configured audio codec with Stereo type. More details are added : FB20281626
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201
Oct ’25
Unblocking Apps After a Scheduled Duration in FamilyControl
I am able to block apps using FamilyControl and Shield. Unblocking is also simple—just assign nil to store.shield.applications. However, I want to unblock them even when the app is not open. Use case: Let's say the app allows users to create a session where a particular app is blocked for a specific duration. Once the session starts, the app should remain blocked, and as soon as the session time ends, it should automatically be unblocked. Please help me with this. Thank you!
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446
Feb ’25
Filtering MMS Messages with Multimedia Content (Images, Videos, etc.)
Hi Apple Developer, I’m working on a message-filtering application and reviewing Apple's documentation on message filtering. The documentation clearly states that MMS messages can be filtered. (https://developer.apple.com/documentation/identitylookup/sms-and-mms-message-filtering) When we refer to MMS, it includes images, short videos, and other supported multimedia formats. However, the ILMessageFilterQueryRequest only provides the message body as a String, meaning we can access text and links but not images or other media files. Could you please confirm whether Apple allows third-party applications to access multimedia content sent from unknown numbers? Looking forward to your quick response. Thanks, Rijul Singhal
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286
Feb ’25
Associated domain not recognised
I have a public and accessible .well-known/apple-app-site-association file for both my domain.com and subdomain.domain.com with "paths": ["*"] . Both example.com and blog.example.com are added in Associated domains and any link that contains domain.com and domain.com/path normally deep links into my app. I used to have an *.example.com that successfully deep linked all my subdomains into my app but now I had to remove it as some subdomains will need to link to other apps, but some should still link to the same app. I removed * but left blog.example.com as that specific subdomain still needs to deep link into my app. But now blog.example.com is not even being recognized by my app and any link starting with blog.example.com just opens in safari. What am I missing? Why is this happening ?
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117
Aug ’25
Testing iMessage extension from recipient POV
Hello, I am building an iMessage extension for my app and I am struggling to figure out how to test it. The extension allows users to send their friends an interactive widget and the recipient experience is very important to test. I tried to do it in the simulators, but simulators do not support iMessage. I have got a second iPhone and created a sandbox account, but I cannot install TestFlight with the sandbox account, as this feature is not supported. Reddit, Stackoverflow, ChatGPT and Apple Developer support also did not help. Can someone share their experience with testing recipient experience in the iMessage extension?
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113
Aug ’25
Pencilkit custom pen
I want to create a brush similar to a fountain pen, with a three-dimensional feel to the strokes and a distinct tip. Alternatively, is it possible to achieve this by modifying the configuration parameters of a fountain pen brush?
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73
Mar ’25
Device Activity Privacy Restrictions
Hey there! So, I'm trying to see what I'm able to do with the Device Activity Report Extension, and I have a few questions about the following quote: To protect the user’s privacy, your extension runs in a sandbox. This sandbox prevents your extension from making network requests or moving sensitive content outside the extension’s address space. In particular, what constitutes the address space for this extension? Can I save data to a UserDefaults object that only the extension can access? (Apps like Opal allow the user to label apps as "distracting" and "non-distracting", and I'm wondering how they do that!) From what I've read, I believe it cannot write to a shared app group or model (and I just want to confirm this) It also seems that there's nothing preventing it from reading data from the main app, so I'm just wondering if it's able to read data from an app group or model with no problem. Thanks in advance!
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154
Aug ’25
Request Array with AppIntent
Hi everyone, i'm trying to request in a AppIntent an array of strings. But I want to give the user the chance to add more than one String. Yet, I do it so: import AppIntent struct AddHomework: AppIntent { // some Parameters @Parameter(title: "Tasks") var tasks: [String]? @Parameter(title: "New Task") //Only for the special request var input: String? private func collectTasks() async throws -> [String] { var collectedTasks: [String] = tasks ?? [] while true { if !collectedTasks.isEmpty { let addMore = try await $input.requestConfirmation(for: "Möchtest du noch eine Aufgabe hinzufügen?") if !addMore { break } } let newTask = try await $input.requestValue("Please enter your task:") collectedTasks.append(newTask) } return collectedTasks } @MainActor func perform() async throws -> some IntentResult { let finalTasks = try await collectTasks() // some more code return .result() } } But this is not working. The Shortcut is ending without requesting anything. But it is not crashing. I would thankfully for some help.
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337
Feb ’25
CSSearchableItemAttributeSet is missing recordingYear
I'd like to set the recordingYear in my Spotlight File Importer extension but the property is missing from CSSearchableItemAttributeSet e.g. in the resulting in mdls I'd like to see: kMDItemRecordingYear = 2008; This would allow me to search in Finder by the recording year criteria. There is a recordingDate property and I tried setting it to Date that only has a year but it didn't work. It just resulted in this: kMDItemRecordingDate = "2008-01-01 00:00:00 +0000";
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83
Mar ’25