Reading multiple non-NDEF tags in a single session - iOS

[henrycowan]

I've followed along with your newline vids and the NfcManager.registerTagEvent() works well for scanning multiple NDEF formatted cards in a persisting NFC session. The session opens, we tap away, and everything works well.

I now need to implement a similar functionality for non-NDEF formatted tags. I've attempted using NfcManager.requestTechnology() and polling with NfcManager.getTag(), but this function seems to return a previously cached tag with no way of flushing the previous tag info. The only solution seems to be to requestTech, scan tag, cancel request, re-request, scan tag and so on, but this causes the native NFC dialog to open and close (very slowly). I understand there are iOS imposed cool-off period limitations for restarting NFC sessions.

Is there any way to read multiple tags, non-NDEF formatted, in quick succession, without opening and closing the NFC session per-tag? Basically, replicate what you have achieved with the Tag Counter game but with non-NDEF formatted cards.

Seems I'm not the only one after this functionality - https://github.com/revtel/react-native-nfc-manager/issues/713

Thanks in advance!

[henrycowan]

Hi are there any updates on the above issue?

[dcanora]

Have you gotting this working? I'm successfully using NfcManager.restartTechnologyRequestIOS() instead of NfcManager.requestTechnology() for reads after the first one on iOS.

Calling NfcManager.requestTechnology() repeatedly works fine for me on Android.

[arahman69]

works fine for me, thx @dcanora

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