core-nfc

问题 Does Core NFC works on iPad? To sum up, iPad does have NFC chips, but the Core NFC documentation does not say it support it. Note Reading NFC NDEF tags is supported on iPhone 7 and iPhone 7 Plus. running this iOS11-NFC-Example on emulator will always get Feature not supported on all devices. 回答1: No ! for now Core NFC don't support iPads and iPhone lesser than iPhone 7. iPhone Series of 7, 8 and iPhone X only supported by Core NFC. and if you want to identify in your code that the device your

问题 I am working on NFCTagReaderSession the newly available in iOS 13, i struck to connect the session tag and send apdu commands for communication. when i call the connect property it looks long time like 15 secs to connect by the time when it is connected(beeps sound) it shows an error message NFCError Code=201 "Session timeout". Every time tagReaderSession:didInvalidateWithError is calling while connecting the card and i could not send apdu commands. the code which i tried to connect and send

来源： https://stackoverflow.com/questions/44572827/detect-iso-iec-14443-mifare-ultralight-or-classic-nfc-cards-with-corenfc

来源： https://stackoverflow.com/questions/44572827/detect-iso-iec-14443-mifare-ultralight-or-classic-nfc-cards-with-corenfc

问题 I am working on a flutter app which reads and writes to NFC-tags. On Android it works just fine. Now I am working on implementing NFC-writing on IOS since it is now available. I do get the app to write a text-record to the tag. But somehow it is written in UTF16 which makes things break apart. How do I create NFCNDEFPayload.wellKnownTypeTextPayload with a string that is UTF-8 encoded?? 回答1: You got most of the way there. Here's a full working example which fixes a couple things (specifically

问题 When you successfully finish an NFC reading session you'll see something like that: This will overlay the currently presented ViewController for about 3 seconds. The fun part is that this behaviour is inconsistent since this window will disappear immediately if the reading session finish very fast. It means that I cannot be sure about how long will this overlay stay for sure which is bad for our app's UX design. The question is simple: is there a way to force this overlay to disappear or at

问题 When you successfully finish an NFC reading session you'll see something like that: This will overlay the currently presented ViewController for about 3 seconds. The fun part is that this behaviour is inconsistent since this window will disappear immediately if the reading session finish very fast. It means that I cannot be sure about how long will this overlay stay for sure which is bad for our app's UX design. The question is simple: is there a way to force this overlay to disappear or at

问题 In iOS13 beta version. when I tried use the NFCISO15693Tag api customCommandWithRequestFlag:customCommandCode:customRequestParameters:completionHandler: send customCommand code to the tag , I got the error: -[NFCTagReaderSession transceive:tagUpdate:error:]:706 Error Domain=NFCError Code=2 "Missing required entitlement" UserInfo={NSLocalizedDescription=Missing required entitlement} I have tried: 1, Reconfig the Privacy of NFC. 2, Add the config in my info.plist <key>com.apple.developer.nfc

问题 I'm diving into iOS 13's new CoreNFC capabilities, and I'm struggling to get NFCTagReaderSession working. After setting up my entitlements and instantiating an NFCTagReaderSession and delegate I attempt to start the session by calling nfcTagReaderSession?.begin() . My session immediately gets invalidated with this error: Error Domain=NFCError Code=2 "Missing required entitlement" UserInfo={NSLocalizedDescription=Missing required entitlement} I followed the documentation here for my

问题 I'm getting this error when trying to read a NFC tag using an iPhone 7 Plus 2017-12-13 14:03:01.522137-0300 nfc[279:9534] [general] connection to service named com.apple.nfcd.service.corenfc: Exception caught during decoding of received message, dropping incoming message. Exception: Exception while decoding argument 0 (#2 of invocation): Exception: decodeObjectForKey: class "NFTechnologyEvent" not loaded or does not exist I have the proper entitlement ( Near Field Communication Tag Reading )