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Create app extensions that lets users send text, stickers, media files, and interactive messages using Messages.

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SIM verification on iPhone
Hi, We have a need to provide SIM verification. At present, accessing the phone number bound to the device is not programmatically accessible. Would Apple consider exposing this API via a user consent? Otherwise, what is the suggested approach to verify the SIM card is the correct phone number on an iOS device?
3
0
462
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?
0
0
163
Aug ’25
How to get a phone into a state where it's possible to test text filtering?
I'm currently finding it impossible to get a text filtering extension to be invoked when there's an incoming text message. There isn't a problem with the app/extension because this is the same app and code that is already developed, tested, and unchanged since I last observed it working. I know if there's any history of the incoming number being "known" then the extension won't get invoked, and I used to find this no hindrance to testing previously provided that: the incoming number isn't in contacts there's no outgoing messages to that number there's no outgoing phone calls to the number. This always used to work in the past, but not anymore. However, I've ensured the incoming text's number isn't in contacts, in fact I've deleted all the contacts. I've deleted the entire phone history, incoming and outgoing, and I've also searched in messages and made sure there's no interactions with that number. There's logging in the extension so I can see its being invoked when turned on from the settings app, but its not getting invoked when there's a message. The one difference between now and when I used to have no problem with this - the phone now has iOS 18.5 on it. Its as if in iOS 18.5 there ever was any past association with a text number, its not impossible to remove that association. Has there been some known change in 18.5 that would affect this call filtering behavior and not being able to rid of the incoming message caller as being "known" to the phone? Update I completely reset the phone and then I was able to see the the message filter extension being invoked. That's not an ideal situation though. What else needs to be done beyond what I mentioned above in order to get a phone to forget about a message's number and thus get an message filtering extension to be invoked when there's a message from that number?
0
0
231
Jul ’25
Unable to locate my stickers in message app after installed my app
My sticker app was rejected when I submitted it to App Store Connect. Reason: "We were unable to locate your stickers in message app after installed your app." When I checked on an iOS18 device, this was correct. However, my stickers is visible when I dragged the half-modal(like sheetPresentationController) part. I hope what I need to do to get the stickers to display initially. My code(Xcode16.2) class StickerViewController: MSStickerBrowserViewController { var stickers = [MSSticker]() override func viewDidLoad() { super.viewDidLoad() loadStickers() } override var stickerSize: MSStickerSize { get { return .small } } func loadStickers() { var imageSetPath = "en" for index in 1...20 { var strIndex = "" strIndex = "stmp" + String(index) + imageSetPath createSticker(assetLocation: "\(strIndex)", assetDescription: "\(strIndex)") } } func createSticker(assetLocation: String, assetDescription: String) { guard let path = Bundle.main.path(forResource: assetLocation, ofType: "png") else { return } let url = URL(fileURLWithPath: path) do { let sticker = try MSSticker(contentsOfFileURL: url, localizedDescription: assetDescription) stickers.append(sticker) } catch { print(error) } } } extension StickerViewController { override func numberOfStickers(in stickerBrowserView: MSStickerBrowserView) -> Int { return stickers.count } override func stickerBrowserView(_ stickerBrowserView: MSStickerBrowserView, stickerAt index: Int) -> MSSticker { return stickers[index] } }
1
0
113
May ’25
Game Center Sandbox: Achievements not unlocking in development build?
Hello Everyone I am new here, I am testing game center integration and using a development build of my IOS game. I have set up a couple of achievements in app store connect, but when I trigger them in the game then they do not unlock or show up. Okay so i am signed into the game center with a sandbox account on a test advice. Is there anything else I need to configure, or do achievements usually only work after the game is released?. I will appreciate any guidance… Thanks in Advance!!!
0
0
257
May ’25
SIM verification on iPhone
Hi, We have a need to provide SIM verification. At present, accessing the phone number bound to the device is not programmatically accessible. Would Apple consider exposing this API via a user consent? Otherwise, what is the suggested approach to verify the SIM card is the correct phone number on an iOS device?
Replies
3
Boosts
0
Views
462
Activity
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?
Replies
0
Boosts
0
Views
163
Activity
Aug ’25
How to get a phone into a state where it's possible to test text filtering?
I'm currently finding it impossible to get a text filtering extension to be invoked when there's an incoming text message. There isn't a problem with the app/extension because this is the same app and code that is already developed, tested, and unchanged since I last observed it working. I know if there's any history of the incoming number being "known" then the extension won't get invoked, and I used to find this no hindrance to testing previously provided that: the incoming number isn't in contacts there's no outgoing messages to that number there's no outgoing phone calls to the number. This always used to work in the past, but not anymore. However, I've ensured the incoming text's number isn't in contacts, in fact I've deleted all the contacts. I've deleted the entire phone history, incoming and outgoing, and I've also searched in messages and made sure there's no interactions with that number. There's logging in the extension so I can see its being invoked when turned on from the settings app, but its not getting invoked when there's a message. The one difference between now and when I used to have no problem with this - the phone now has iOS 18.5 on it. Its as if in iOS 18.5 there ever was any past association with a text number, its not impossible to remove that association. Has there been some known change in 18.5 that would affect this call filtering behavior and not being able to rid of the incoming message caller as being "known" to the phone? Update I completely reset the phone and then I was able to see the the message filter extension being invoked. That's not an ideal situation though. What else needs to be done beyond what I mentioned above in order to get a phone to forget about a message's number and thus get an message filtering extension to be invoked when there's a message from that number?
Replies
0
Boosts
0
Views
231
Activity
Jul ’25
iMessage Glitch
After doing a software update I can only view iMessages older than 12hrs (from a single contact) if the other person replies to and older message. Every time I leave the Massages app and go back in the issue occurs again.
Replies
0
Boosts
0
Views
115
Activity
Jun ’25
Unable to locate my stickers in message app after installed my app
My sticker app was rejected when I submitted it to App Store Connect. Reason: "We were unable to locate your stickers in message app after installed your app." When I checked on an iOS18 device, this was correct. However, my stickers is visible when I dragged the half-modal(like sheetPresentationController) part. I hope what I need to do to get the stickers to display initially. My code(Xcode16.2) class StickerViewController: MSStickerBrowserViewController { var stickers = [MSSticker]() override func viewDidLoad() { super.viewDidLoad() loadStickers() } override var stickerSize: MSStickerSize { get { return .small } } func loadStickers() { var imageSetPath = "en" for index in 1...20 { var strIndex = "" strIndex = "stmp" + String(index) + imageSetPath createSticker(assetLocation: "\(strIndex)", assetDescription: "\(strIndex)") } } func createSticker(assetLocation: String, assetDescription: String) { guard let path = Bundle.main.path(forResource: assetLocation, ofType: "png") else { return } let url = URL(fileURLWithPath: path) do { let sticker = try MSSticker(contentsOfFileURL: url, localizedDescription: assetDescription) stickers.append(sticker) } catch { print(error) } } } extension StickerViewController { override func numberOfStickers(in stickerBrowserView: MSStickerBrowserView) -> Int { return stickers.count } override func stickerBrowserView(_ stickerBrowserView: MSStickerBrowserView, stickerAt index: Int) -> MSSticker { return stickers[index] } }
Replies
1
Boosts
0
Views
113
Activity
May ’25
Will RCS messages be filterable by a message filter extension?
A message filter extension is only forwarded SMSs by the OS for filtering, iMessages aren't. But what is the situation with RCS messages? Will they be filterable by a message filtering extension?
Replies
5
Boosts
1
Views
776
Activity
May ’25
Game Center Sandbox: Achievements not unlocking in development build?
Hello Everyone I am new here, I am testing game center integration and using a development build of my IOS game. I have set up a couple of achievements in app store connect, but when I trigger them in the game then they do not unlock or show up. Okay so i am signed into the game center with a sandbox account on a test advice. Is there anything else I need to configure, or do achievements usually only work after the game is released?. I will appreciate any guidance… Thanks in Advance!!!
Replies
0
Boosts
0
Views
257
Activity
May ’25