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nfc

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Reply to Published Watch App install fails with empty error
After struggling two weeks against this issue, I finally foud an explanation and workaround.Here is the comment I just posted on the bug report 39488346 :OK, I now have nailed down the issue to an unicode encoding/normalization. By managing to suppress any accented character from any file (coming from the product name) in the Watch application and extension, the Apple signed binary now install correctly on the Watch.This is a MAJOR recent regression. It appears that WatchOS has recently switched between UTF-8/UTF16 and or between NFC/NFD normalization and that the signature check has NOT been updated accordingly. This explains why codesign on MacOS does not see any signature issue, while the WatchOS reject it.
Topic: App & System Services SubTopic: General Tags:
Apr ’18
NFC enabled prepaid reward card
As part of our mobile app for Electrical Vehicle (EV) charging, we are creating a NFC enabled prepaid reward card. Can you help us in understanding following data flow so that we can use this pass in our application in conjunction with charge station NFC reader and our backend server1. We are able to create the Pass and add it in Apple Wallet. However the NFC reader is not able to read this pass. Is there anything else required to be done in order to enable this card for NFC data exchange?2. Once exchanged via NFC, the reader is expected to send this data to our server for validation. We are unable to find any documentation on apple developer site on this data exchange front. Can you help us in understanding following2.1 What data is exchanged over NFC for our pass? We are hoping data from pass.json is passed over NFC to the reader. Can we get a reference of which all data is exchanged over NFC? Is the exchange data encrypted?2.2 As part
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Jun ’18
Anyone know if Apple has published details on NFC features for iOS 12?
I saw that Apple is opening up NFC to allow phones to do things like open doors etc which means they are allowing a way to do card emulation. I cannot find any info on this on their site with exception of the keynote when they discussed this. Is this going to be included in CoreNFC or is this something that Apple Wallet will do? Basically looking for a starting point on this as we need the ability to connect to an NFC reader by tap of iPhone.
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Jun ’18
Termination Reason: Namespace SPRINGBOARD, Code 0x8badf00d no backtrace
my app submission was rejected with below crash report. never had this issue with previous versions. the only difference between this and last version is essentially a #define that changed an int value. I have built, submitted the app on xcode 9.3.1. I installed 'Release' version of app (whatever is uploaded to AppStore) on 6 plus and it works fine. previous version is already in use by several users. there is no backtrace. when i start the app on phone, it takes about 2s on splash screen.any pointers on how to find why it takes 19s or how to reproduce the crash?app does not use audio or video or nfc or background threads. uses NSStreams for tcp sockets. I just removed CFNetwork.framework from the libraries linked with. in another response appstore said app has to be ipv6 ready.Thank you.Date/Time: 2018-06-28 08:33:38.1270 -0700Launch Time: 2018-06-28 08:33:18.0498 -0700OS Version: iPhone OS 11.4 (15F79)Baseband Version: 6.60.00Report Version: 104Exception Type: EXC_CRASH (SIGKILL)Exception Codes: 0x
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Jun ’18
Reply to NFC enabled prepaid reward card
Did you apply for and receive an NFC-certificate account upgrade?If not, you won't be able to create passes that will load into Apple Wallet and interact with NFC terminals.Have a look at the following documentation on NFC passes in the Wallet Developer Guide.The NFC-enabled pass will not function without a terminal compatible with the Apple value added services protocol. Each NFC-enabled pass contains a 64-byte data element which can identify a customer. This data element can represent a rewards card for a loyalty program, a stored value card, or a ticket. Apple Wallet only transmits this data element to an NFC-enabled terminal that is compatible with the Apple value added services protocol.NFC-Enabled Pass KeysNFC-enabled pass keys support sending reward card information as part of an Apple Pay transaction.Important: NFC-enabled pass keys are only supported in passes that contain an Enhanced Passbook/NFC certificate. For more informatio
Jun ’18
CoreNFC framework missing in iPad and non NFC devices
I'm developing an app that between other things reads NFC tags using CoreNFC. I'm checking if NFC is available by using `NFCNDEFReaderSession.readingAvailable`. On iOS 11 it would return false allowing the app to run on devices that don't support NFC.On iOS all the betas up to date the app crashes while loading the dyld with an error saying that the image for CoreNFC framwork was not found.Is this a bug? Is there a new way of checking for NFC?It works on the simulator. Crash only happens on divices not supporting NFC
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Jul ’18
NFCCore problems - class "NFTechnologyEvent" not loaded or does not exist
Hi,I'm developing an app for communicate through NFC.I've:- setted NFC Tag Reading capability for app on Apple project page.- use iPhone 7 and iOS 11.4.1 (the last iOS version)- added in entitlement file <key>com.apple.developer.nfc.readersession.formats</key> <array> <string>NDEF</string> </array>- added in info.plist file <key>NFCReaderUsageDescription</key> <string>NFC Read</string>- write a simple ViewController to manage NFC Communicationvar nfcSession: NFCNDEFReaderSession! func startScanning(){ nfcSession = NFCNDEFReaderSession(delegate: self, queue: DispatchQueue.main, invalidateAfterFirstRead: false) nfcSession.alertMessage = You can hold you NFC-tag to the back-top of your iPhone nfcSession.begin() } override func viewWillAppear(_ animated: Bool) { super.viewWillAppear(animated) startScanning() } extension NfcReaderViewController : NFCNDEFReaderSessionDelegate {func readerSession(_ session: NFCNDEFReaderS
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Aug ’18
MusicKit JS not playing
Hello,i recently stumbled over a Project called FaultVinyl. It is basically a NFC Reader hooked to a Mac and NFC Tags that stick on the backside of printed Albumcovers. When you place a Tag on the reader, the Computer plays the assigned Playlist of Album. I am very interested to build this for my own Setup but i am a bloody beginner in programming.So i thought why not starting with learning Javascript and chose MusicKit JS as my first Playground.After digging through some basic courses and the Musickit Docs and after i found a good Example (https://codepen.io/leemartin/full/bKEeZL/)i buit a HTML File with a Musicplayer integrated.When i launch it without being Singed in to Apple Music, i get the 30 second previews of the desired Media played in Chrome.When i log in, the media is queued but will not play.After i found the console.log(MusicKit.errors); Function, the console show this Error:MEDIA_KEY: NotSupportedError: Failed to execute 'createMediaKeys' on 'MediaKeySystemAccess': EME use is n
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Sep ’18
Reply to Core nfc not working in iPhone 7plus after updating the software iOS from 11 to 12
I tried our Core NFC sample code (download here: https://developer.apple.com/documentation/corenfc/building_an_nfc_tag_reader_app ) on iOS 12 and it worked fine for me. Can you please give that a try?If the sample doesn't work with your tag, could you please file a bug report about this at <https://developer.apple.com/bug-reporting> and post the bug number here?We might need a sample tag as well as a focused sample project.Thanks,--gc
Topic: Programming Languages SubTopic: Swift Tags:
Sep ’18