Posts under App & System Services topic

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Using ApplePay to generate QR code
For instore payment, we are building payment app that would accept Applepay as method of payment and our payment gateway integration support Applepay. We are building this app for a Merchant based in Netherlands and wanted to check if there is any restriction in generating QR code that include apple pay payload and ask instore Cashier to scan the mobile QR using the barcode scanner to initial the transaction. Let me know if there is a restriction or limitation in generating the QR code to include Applepay payment details.
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410
Nov ’24
Apple Pay Merchant Token Usage
Hi. I have a few questions about using Apple's MPAN tokens. Since Apple doesn't provide MPAN tokens in the sandbox environment, I'm having trouble understanding the differences between the MPAN and DPAN flows. I'm guessing they're the exact same, except when we detect the MPAN we save some information so we can use it in future transactions. If that's correct, my questions are: What information in the Apple Pay payment data indicates that it's an MPAN vs when it falls back to DPAN Like DPAN, the MPAN can be found in applicationPrimaryAccountNumber? Or is it found in the merchantTokenIdentifier? What is the bare minimum data needs to be stored in order for these merchant tokens be reused for future transactions?
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510
Nov ’24
Horizontal and Vertical Accuracy for CoreLocation
We’re implementing a feature in our app that allows a certified MFi GPS device to act as the default location source for user positioning, replacing the internal GPS when connected. However, we’re noticing a significant discrepancy between the accuracy values reported by iOS and those directly available from the GPS device. Here’s the issue: When the MFi GPS is in use, it transmits standard NMEA messages (GGA, GSA, RMC, etc.) to the iOS device (providing HDOP and VDOP). However, the accuracy reported by iOS for this “location-system” seems to be less precise than what the GPS device itself reports. For example, here are the readings we observe: Location from iOS device (systemLocation): Position: <+41.4, +1.8> +/- 5.00m (speed 0.05 m/s / course 329.40) Timestamp: 6/11/24, 12:01:50 Central European Standard Time Horizontal Accuracy (from systemLocation): 5.0 meters (16 ft) Vertical Accuracy (from systemLocation): 9.5 meters (31 ft) Location from GPS device directly: Horizontal Accuracy: 9.1 ft Vertical Accuracy: 10.3 ft It’s evident that the accuracy values displayed by iOS differ from the values available from the GPS device, especially in terms of horizontal and vertical accuracy. Question: Is there a known reason for this discrepancy in accuracy values? Is there a way to obtain the GPS device’s native accuracy values in iOS, or is iOS applying additional filtering or adjustments that might explain this difference? If additional filtering is applied can be disabled? Any insights would be greatly appreciated, as accurate location reporting is critical for our app’s functionality.
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646
Nov ’24
ActivityCategoryPolicy.all(except: allowList) blocks all apps, even the ones that should be exempted
Hello fellow Screen Time developers! I have bee experimenting with the ActivityCategoryPolicy.all(except: allowList) API of the ManagedSettings framework in order to provide a digital detox feature to my app, where ALL apps would be blocked, except some important ones (phone, messages, maps). The apps to be exempted can be configured by the user via the FamilyActivitySelection(). However, I am experiencing a strange bug, where all apps are restricted / blocked, even the ones that are set to be exempted and are part of the allowList Set. Instead of not restricting allowed apps at all, these apps are restricted with a generic shield (screenshot below) – a concrete shield is not requested for them from my ShieldConfigurationDataSource. I have also filed a radar under this number, attached is a minimalistic sample project and video that shows how to reproduce this: FB15500605 (no response so far) I have also seen other people report on this issue, but couldn't find any useful information there: https://forums.developer.apple.com/forums/thread/750988 https://forums.developer.apple.com/forums/thread/762287 Thanks a lot for your help, and have a nice day!
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Nov ’24
Why do I need to whitelist Apple IP addresses on server
Hi all, I'm in the process of configuring Apple Pay for payments on an ecommerce site and I've come across the following documentation: Setting Up Your Server | Apple Developer Documentation It mentions the following in a yellow highlighted note Use a strict allow list for Apple IP addresses and domains provided in Listing 1. Do not allow your server to access any other IP addresses or domains. My first question is why does my server need to set a strict allowed list when the domain name apple-pay-gateway.apple.com is publicly accessible? My second question is that my web server is hosted on Vercel and I assume that there are no IP restrictions on any outbound requests. If there were restrictions where would I apply this whitelisting? Thanks for your help.
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Nov ’24
PrintCenter disappeared when printing with AirPrint on iOS18.1
Environment iPad:10th iOS:18.1 Printer:EPSON PX-S730 Problem In iOS18.1, When printing with AirPrint, PrintCenter is no longer displayed on AppSwitcher. In iOS17, PrintCenter was displayed on AppSwitcher. Question Is this a specification change? I would like to know if there is a way to check PrintCenter on AppSwitcher in the same way as iOS17. Ref No information after iOS18.1 update. https://support.apple.com/ja-jp/109349 There is no mention of AirPrint updates in the AppleDeveloper release notes. https://developer.apple.com/documentation/ios-ipados-release-notes/ios-ipados-18-release-notes https://developer.apple.com/documentation/ios-ipados-release-notes/ios-ipados-18_1-release-notes
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Nov ’24
How to modify default APS Environment? (aps-environment)
It looks like APS Environment is configured by setting the aps-environment value in an app entitlements file to either development or production. However, it seems to be the case that, by default, Xcode automatically overrides the set value when an app is signed and the value is instead derived from the provisioning profile. So, for development profiles, you get development (sandbox) aps-environment, and for distribution profiles, you get production aps-environment configured - regardless of how the setting has been configured in the entitlements plist. This is documented here: https://developer.apple.com/documentation/bundleresources/entitlements/aps-environment That document also states that this default behaviour can be overridden: "These default settings can be modified". Question is, how to override these default settings. In other words, how to point aps-environment to production, even if provisioning profile is development. Any insight appreciated, thx.
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2.2k
Nov ’24
How to react to card network on onpaymentmethodselected?
We're currently evaluating Apple Pay as a payment method on our site. For Amex US credit card payments, we charge a payment fee. For other credit cards, there is no such fee. However, for Apple Pay it seems we cannot configure this. What we currently tried is to implement onpaymentmethodselected. However, only the card type is part of the event, not the card network. Example code: session.onpaymentmethodselected = event => { /* event.paymentMethod only contains {type: "credit"} */ console.log('onpaymentmethodselected', event.paymentMethod); /* event.paymentMethod.network is therefore undefined, if we could have here 'amex', 'mastercard' etc, we could implement the payment fee we currently have*/ console.log('onpaymentmethodselected', event.paymentMethod.network); session.completePaymentMethodSelection({}); }; Is there a way to access the network in this callback? Or is there another way to implement payment fees with certain networks used via Apple Pay?
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700
Nov ’24
Notifications
I hav the 16 Pro Max running 18.1. My facebook, TikTok and other apps seem to not have sound when I get their notification, my phone settings is always anable with sound, apps also enable with sound, please any suggestions
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923
Nov ’24
Combining Bonjour and QUIC multiplex group using Network.framework
In my iOS app I am currently using Bonjour (via Network.framework) to have two local devices find each other and then establish a single bidirectional QUIC connection between them. I am now trying to transition from a single QUIC connection to a QUIC multiplex group (NWMultiplexGroup) with multiple QUIC streams sharing a single tunnel. However I am hitting an error when trying to establish the NWConnectionGroup tunnel to the endpoint discovered via Bonjour. I am using the same "_aircam._udp" Bonjour service name I used before (for the single connection) and am getting the following error: nw_group_descriptor_allows_endpoint Endpoint iPhone15Pro._aircam._udp.local. is of invalid type for multiplex group Does NWConnectionGroup not support connecting to Bonjour endpoints? Or do I need a different service name string? Or is there something else I could be doing wrong? If connecting to Bonjour endpoints isn't supported, I assume I'll have to work around this by first resolving the discovered endpoint using Quinn's code from this thread? And I guess I would then have to have two NWListeners, one just for Bonjour discovery and one listening on a port of my choice for the multiplex tunnel connection?
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Nov ’24
Clarification on the correct use for CLServiceSession
While updating my app for iOS 18 I have run into some major issues with how CLMonitor and visit tracking are handled in the background. I have implemented the new CLServiceSession (i think) correctly. In my @main App struct's init method I call CLServiceSession(authorization: .always) to create a session. This is done in the foreground when the app is launched and also in the background. From what i understand this is the intended way to create a session as when the app is relaunched by the system the existing session is terminated a few moments later. What im seeing in iOS 18 vs iOS 17 is drastically less location updates being delivered to the app. i see around the same significant updates being delivered (around 1 per mile - 5 miles) but the CLMonitor.CircularGeographicConditions are being triggered at about 1 per 1 to 2 minutes regardless of the radius. When a zone is left the condition is removed in the background and a new condition is created at the next place it should be tracking. For visit tracking, it only reports a visit correctly about 10% of the time. my guess is the app is getting suspended and/or terminated and the CLServiceSession isn't correctly being reinitialized (or something completely different, i'm really not sure at this point) I would love some guidance as to the correct way to handle these updates in iOS 18. It is unclear if these are intentional limitations imposed in iOS 18, incorrect implementation on my part, or a bug in the betas. Note: startUpdatingLocation is not appropriate for this app as it is way too power hungry.
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Nov ’24
Error calling Test Notification endpoint
I'm trying to call the Test Notification endpoint: https://developer.apple.com/documentation/appstoreserverapi/request_a_test_notification?language=objc I'm creating a JWT bearer token using a script I run on the console with these 2 commands: npm install jsonwebtoken fs and node generate_jwt.js Keys are taken from App Store Connect -> User and Access -> Integrations -> Keys -> In-App Purchase. generate_jwt.js script: const jwt = require('jsonwebtoken'); const fs = require('fs'); const keyId = 'MY_KEY_ID'; const issuerId = 'MY_ISSUER_ID'; const privateKey = `-----BEGIN PRIVATE KEY----- MY_SECRET_KEY -----END PRIVATE KEY-----`; // Define JWT headers and claims const token = jwt.sign({}, privateKey, { algorithm: 'ES256', expiresIn: '1h', issuer: issuerId, header: { alg: 'ES256', kid: keyId, }, audience: 'appstoreconnect-v1' }); console.log('JWT Token:', token); When I run a POST https://api.storekit.itunes.apple.com/inApps/v1/notifications/test request on postman with Bearer token authentication, I get a 401 Unauthorized error.
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335
Nov ’24
Implementing In-App Purchases for the first time
Hi, I want to apply in app purchases in my app. I have set it up in xcode and on appstoreconnect, it is saying ready to submit. I dont understand what i need to do now to connect the two. I have read i need to send my app for review for them to be reviewed, but i want to test the in app purchases first on test flight and on sandbox before i send my app for review. Please can someone clarify for me and help me?
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Nov ’24
iPhone 14 Plus Rear Camera Issues After iOS 18 Update - Green Tint and Limited Functionality
Hi everyone, I’m experiencing a frustrating issue with my iPhone 14 Plus after updating to iOS 18. Ever since the update, the rear camera has become almost completely unusable, while the front camera still works fine. Here’s a breakdown of the problems: Camera app shows a black screen - When I open the Camera app and switch to the rear camera, the screen is just black with no visibility of any objects or scenes. Limited photo capability - I can only take photos using the 0.5x zoom, and even then, the results are abnormal. Every photo taken with the rear camera has a strange green light at the lower bottom, just like the one in the attached photo. Unavailable features - All rear camera features, like video, panorama, portrait, and cinematic mode, don’t work at all. It’s like the camera is only partially functional. “Clips” app works normally - Interestingly, the “Clips” app is still able to take videos with the rear camera, so it seems like the camera hardware itself is fine. This issue seems specific to the Camera app and any functions within it. I waited for two updates—iOS 18.0.1 and 18.1—hoping Apple would resolve this, but unfortunately, these updates haven’t fixed the issue. I even went to the Apple Service Centre, but since my device is out of warranty, they told me that if I want it fixed, I’d have to pay MYR905 (around USD$200+) to replace the rear camera. They diagnosed it as a hardware issue, but I can’t help but feel it’s related to the iOS 18 update, as the problem started right after updating. I’ve always taken good care of my device, so this doesn’t seem to be due to any physical damage or misuse on my part. Is anyone else experiencing something similar? Could this be a software bug in iOS 18? Any help or insights would be greatly appreciated. Thanks!
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Nov ’24
Pull data on iOS App Homescreen Widget
Hello fellow developers! I am interested in obtaining the following information regarding one of our Home Screen widgets: Pull the following data about the "my_app_widget" homepage widget in total and by month for the last 12 months (Sep '23 - Sep '24): Widget install events Unique widget installs Device type (iPad, iOS). Thus far, I am using AWS Lambda and have the proper credentials within a Secrets Manager and I keep getting a 409 error from this code: const AWS = require('aws-sdk'); const axios = require('axios'); const jose = require('jose'); const crypto = require('crypto'); const s3 = new AWS.S3(); const secretsManager = new AWS.SecretsManager(); const cloudwatchlogs = new AWS.CloudWatchLogs(); const logGroupName = '/aws/lambda/my_lambda_function'; const logStreamName = '2024/11/05/[$LATEST]XXXXXXXXXXXXXX'; const getSecret = async (secretName) => { const secret = await secretsManager.getSecretValue({ SecretId: secretName }).promise(); return JSON.parse(secret.SecretString); }; const logError = async (message) => { const params = { logGroupName, logStreamName, logEvents: [ { message: JSON.stringify(message), timestamp: Date.now() } ] }; try { await cloudwatchlogs.putLogEvents(params).promise(); } catch (error) { console.error('Failed to log to CloudWatch:', error); } }; const getJwtToken = async (keyId, issuerId, privateKeyPem) => { try { const privateKey = crypto.createPrivateKey({ key: privateKeyPem, format: 'pem', type: 'pkcs8' }); const payload = { iss: issuerId, exp: Math.floor(Date.now() / 1000) + 20 * 60, aud: 'appstoreconnect-v1' }; const token = await new jose.SignJWT(payload) .setProtectedHeader({ alg: 'ES256', kid: keyId }) .sign(privateKey); return token; } catch (error) { await logError({ error: 'Error generating JWT', details: error }); throw new Error('JWT generation failed'); } }; const fetchAndUploadReport = async (url, token, s3Key, isAnalytics = false, body = null) => { try { const headers = { 'Authorization': `Bearer ${token}`, 'Accept': isAnalytics ? 'application/json' : 'application/a-gzip', 'Content-Type': 'application/json' }; const response = await axios({ method: isAnalytics ? 'post' : 'get', url: url, headers: headers, data: body, responseType: isAnalytics ? 'json' : 'stream' }); if (response.status === 200) { let bodyContent = isAnalytics ? JSON.stringify(response.data) : response.data; await s3.upload({ Bucket: 'my_bucket_name', Key: s3Key, Body: bodyContent }).promise(); return { statusCode: 200, body: `${s3Key} fetched and uploaded successfully` }; } else { await logError({ error: 'API response error', status: response.status, statusText: response.statusText, url }); return { statusCode: response.status, body: response.statusText }; } } catch (error) { await logError({ error: 'Error fetching report', url, details: error }); return { statusCode: 500, body: JSON.stringify(`Error fetching ${s3Key}`) }; } }; exports.handler = async (event) => { const secretName = 'AppStoreConnectPrivateKey'; try { const secretData = await getSecret(secretName); const { keyId, issuerId, private_key: privateKeyPem } = secretData; const token = await getJwtToken(keyId, issuerId, privateKeyPem); const startDate = '2023-09-01'; const endDate = '2024-09-30'; const apiEndpoints = [ { url: `https://api.appstoreconnect.apple.com/v1/analyticsReportRequests`, // Changed to request report s3Key: 'my_folder/my_subfolder/unique_widget_installs.json', isAnalytics: true, body: { "data": { "type": "analyticsReportRequests", "attributes": { "accessType": "ONGOING", "name": "Home Screen Widget Installs", "category": "APP_USAGE" }, "relationships": { "app": { "data": { "type": "apps", "id": "YYYYYYYYYYYY" } } } } } } ]; Returns the following error : { "error": "Error fetching report", "url": "https://api.appstoreconnect.apple.com/v1/analyticsReportRequests", "details": { "message": "Request failed with status code 409", "name": "AxiosError", "stack": "AxiosError: Request failed with status code 409\n at settle (/var/task/node_modules/axios/dist/node/axios.cjs:2019:12)\n at IncomingMessage.handleStreamEnd (/var/task/node_modules/axios/dist/node/axios.cjs:3135:11)\n at IncomingMessage.emit (node:events:531:35)\n at IncomingMessage.emit (node:domain:488:12)\n at endReadableNT (node:internal/streams/readable:1696:12)\n at process.processTicksAndRejections (node:internal/process/task_queues:82:21)\n at Axios.request (/var/task/node_modules/axios/dist/node/axios.cjs:4287:41)\n at process.processTicksAndRejections (node:internal/process/task_queues:95:5)\n at async fetchAndUploadReport (/var/task/index.js:68:26)\n at async Promise.all (index 0)\n at async exports.handler (/var/task/index.js:174:25)", "config": { "transitional": { "silentJSONParsing": true, "forcedJSONParsing": true, "clarifyTimeoutError": false }, "adapter": [ "xhr", "http", "fetch" ], "transformRequest": [ null ], "transformResponse": [ null ], "timeout": 0, "xsrfCookieName": "XSRF-TOKEN", "xsrfHeaderName": "X-XSRF-TOKEN", "maxContentLength": -1, "maxBodyLength": -1, "env": {}, So I am not sure if the JSON body I am passing this URL endpoint are correct or if this is the correct API to be using to attempt to obtain this information. Please let me know when you have the chance and I look forward to hearing from you.
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315
Nov ’24
Apple Pay - Transaction Details
Hello, While testing Apple Pay transaction I noticed my transactions were showing the incorrect App Name and image. I was using two Apps which likely have similar names. BetRivers Casino and Sportsbook (app 1) and Bally Casino by BetRivers (app 2). In the first image you see Bally Casino which is the wrong app, this is confirmed by the website links underneath. All our sites use a single app except for Ballycasino.betrivers. Our other tests did not display like this, so we would like to understand why it happened so we may assist our customers should question arise. My other image is when our App opens Apple Pay, it shows the name "SugarHouse", I am unable to find the location of where this comes from, as we would want to edit this.
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302
Nov ’24