Extensions

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Give users access to your app's functionality and content throughout iOS and macOS using extensions.

Posts under Extensions tag

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iOS 18 Massive Mobile Safari Extensions bug: declarativeNetRequest is extremely slow at applying rulesets and dynamic rules in iOS 18 compared to iOS 17
In Safari Web Extensions on iOS 18, declarativeNetRequest Rulesets and Dynamic Rules take over twice as long to apply -- which causes rulesets to often fail to apply before sites load. In a boilerplate Xcode project you can note the time difference toggling the OISD (https://oisd.nl) ruleset on iOS 17 and iOS 18 simulators. Additionally, if you force quit Safari and reopen to a site with ads blocked by OISD list (e.g. espn.com) the content will be blocked in that initial state on iOS 17, but not in iOS 18 due to the latency. Based on the boilerplate extension, this bug is impacting all Mobile Safari Extensions using declarativeNetRequest Rulesets and Dynamic Rules. We know several other extension developers dealing with this issue. Our team wrote detailed reproduction steps in our Feedback Assistant ticket: https://feedbackassistant.apple.com/feedback/15196130 but have received no responses. I would attach a screen recording here but it won't allow me.
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785
Oct ’24
iOS alters the URL given to share extension
I'm building a share extension for my app when I noticed something weird. When I open a mobile URL (URLs with "m." like m.randomsite.org) on iOS using a browser (I'm using Safari & Chrome) and then try to share it, what will be share is the URL without the "m." (i.e. randomsite.org) This messes up with my app since I'm not getting the real URL that I'm viewing using the browser. I don't think it has something to do with my app since even selecting "Copy" when sharing will result in the altered URL too. So far this is happening on both iOS 17 and 18. Does someone know whether this is a bug from iOS or not? I don't think this is a Safari bug since I noticed the same thing on Chrome as well
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403
Jan ’25
Managed configuration in iOS app and Action Extension
Hi, I have a question regarding reading the configuration of a managed app deployed via an MDM system. The application has an Action Extension and can receive shared files via this extension. The problem I am facing is that I can read the managed configuration in the host app by accessing the UserDefaults.standard.object(forKey: "com.apple.configuration.managed") dictionary. With this, I can configure the host app. However, I am unable to read this configuration key in the Action Extension part of the application. My question is whether there is any possibility to read the managed configuration even in the extension. So far, I have been unable to figure out how to read it. I found the sample code, but it was not very helpful since it is very basic and does not deal with extensions at all. Any hints are appreciated.
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971
Oct ’24
LockedCameraCapture - Extension's view.frame size is smaller than app's one.
I'm developing Locked Camera Capture Extension. I noticed UIViewController's view.frame size on extension is smaller than app's one. It seems extension's View.frame is same as safe-area's frame. WWDC24 session Build a great Lock Screen camera capture experience doesn't mention this issue. It looks like bug for me or is it intended specification to avoid complexity for users ?
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333
Oct ’24
Xcode 16 : dyld[4373]: Symbol not found:
I am getting following error from one of the pod frameworks while running the app (Build is a success). dyld[4373]: Symbol not found: __ZN5swift39swift51override_conformsToSwiftProtocolEPKNS_14TargetMetadataINS_9InProcessEEEPKNS_24TargetProtocolDescriptorIS1_EEN7__swift9__runtime4llvm9StringRefEPFPKNS_35TargetProtocolConformanceDescriptorIS1_EES4_S8_SC_E Referenced from: MyApp.app/Frameworks/vendor.framework/ Expected in: MyApp.app/Frameworks/Alamofire.framework/Alamofire Xcode 16
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736
Oct ’24
Interface Orientation doesn't work for LockedCameraCapture extension.
I'm developing LockedCameraCapture extension. My extension can capture photo, save to system photo library and load from system photo library. That's pretty nice extension. I want to fix interface orientation to portrait for particular screen(capture screen). But I want some other screen to landscape orientation(photo viewing screen). So, I'm using "supportedInterfaceOrientations" property and "setNeedsUpdateOfSupportedInterfaceOrientations" method for interface orientation flexibility. This code implies the screen only supports portrait orientation. override var supportedInterfaceOrientations: UIInterfaceOrientationMask { .portrait } And I call this code to enable orientation setting. // UIViewController # viewDidLoad setNeedsUpdateOfSupportedInterfaceOrientations() My App work as expected, but my CaptureExtension doesn't work. My extension's capture screen can rotate Landscape and that's not intended behavior.
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495
Oct ’24
Custom keyboard while using external keyboard for iPad
Hi! I'm developing a custom keyboard and my user reported that they can't switch to my keyboard while using external original iPad keyboard. Unfortunately, I can't test it on a real device and I can't find a way to test it using a simulator. My questions: Is it possible to simulate this case on a simulator? Is it possible to temporarily show a custom keyboard while using an external keyboard on iPad? I saw in the photos that this keyboard has a globe button, but my user told me that nothing happens when they hold or press hit.
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576
Oct ’24
Can Logic Pro load an Audio Unit v3 in-process?
After investing more than a week into getting a bunch of audio unit projects converted into app + appex + framework, they all are now correctly loaded in-process in the demo host app that is part of Xcode's template. However, Logic Pro adamantly refuses to load them in-process. Does Logic Pro simply not do that ever, or is there some hint or configuration my plugins need to provide to enable that? If it is unsupported, will it be supported in some future version of Logic? The entire point of investing that week was performance, which is moot if it is impossible to test the impact of loading in-process in a real-world usage scenario.
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619
Jan ’25
Get cookies - Safari web extension macOS 18.1
I have a macOS safari web extension and It can read the cookies of my website, but when I fully close safari and open it again the extension can't read the cookies anymore. When I try to inspect the cause in the console (safari > develop > web extension background content) everything starts to work again. My safari version is 18.1 (19619.2.8.111.1, 19619)
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569
Oct ’24
Issue with Message Filter Extension service?
My server that backs my Message Filter Extension stopped receiving messages last night. I thought maybe I had broken something in the iOS code, even though I hadn't touched any of the logic related to filtering. So I rolled back my code to a previous version that was definitely working in both test and production and ran it on my test device, setting a breakpoint on the first line of the func handle(_ queryRequest: ILMessageFilterQueryRequest, context: ILMessageFilterExtensionContext, completion: @escaping (ILMessageFilterQueryResponse) -> Void) method in the extension. When sending a message to it from an unknown number, the breakpoint is never even hit. To ensure it was somehow not my code, I started a new blank app and added the Message Filter Extension target. Running it on my test device, it also doesn't ever hit the breakpoint. Is there some Apple service involved in determining whether to send unknown sender messages to Message Filter Extensions that might be down. Maybe it's a beta issue? I'm on iOS 18.1 Beta 4. But it seems odd that all of my users' devices would be encountering a beta-related issue at essentially the same time.
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569
Oct ’24
Inconsistent Live Caller ID Lookup Performance
I've noticed delays with the Live Caller ID Lookup feature, taking around 3 to 6 seconds to complete, even on repeated lookups. This seems odd since there's no server activity during these repeats, suggesting the information might be coming from a cache. Most of the time, it’s fast, but there are cases when it's unexpectedly slow, and I haven’t quite figured out the pattern yet. Is anyone else seeing this issue? FB number FB15372765 - with sysdiagnose and video demonstrating the delay.
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435
Oct ’24
How to add a Sticker App Extension to an existing app with an iMessage Extension?
I have a working iMessage app in the app store that does NOT have a companion app. iMessage app only. I now want to add stickers to it. I cannot get this to work; stickers do not show up in the stickers section, nor in the "Manage Sticker Apps" section. Problem exists on Xcode 16, latest OS, on all simulators and devices. I tried adding a new "Sticker App Extension" target to the project. I tried adding just the Stickers.xcassets file to the exsisting iMessage extension and the app itself. I tried googling but all examples and tutorials show how to create a complete stickers app, which works correctly. But I do not want the app. Notable mention: If I create a new "Stickers app" project it works, but if I then try to add an iMessage app extension, THAT does not work so I then have a reverse situation in which the stickers extension DOES work but the iMessage app doesn't. I somehow have the feeling that an app cannot have both an iMessage Extension and a Stickers App Extension but the documentation is, of course, in true Apple style, lacking. So how to add a Sticker App Extension to an existing app with an iMessage Extension?
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750
Nov ’24
Can MailKit be used to manage existing messages?
I would like to create a MailKit extension that will allow me to manage my existing messages. I would like to move them around form folder to folder and reqad and update their headers to store some metadata that will be used by the extension. Looking at the documentation for MailKit suggests that I can only implement 4 types of handlers (content blocker, action handler, compose handler and security handler). I can’t see anything in the docs about being able to get a list of messages in the inbox and manipulate them. Am I missing something? I’d love to hear from someone who knows more about this topic before I get into a dead-end rabbit hole. cheers, -tomek
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551
Jan ’25