Proof

react-native-nfc-manager

real upstream package, not intercepted. native side via the NfcManager module (native-seams/react-native-nfc-manager.ts) following ios/NfcManager.m as the iOS Simulator answers it: CoreNFC reports readingAvailable false and every begun session invalidates with NFCError 1

85%

API coverage

No visual proof cases have been published for this package yet. The registry summary below describes what the compat layer implements.

Working (6)

the published NfcManagerNfcTech handlersNfcError and Ndef helpers; isSupported falsestart rejecting "Not support in this device"registerTagEvent and requestTechnology sessions closing with NFCError:1 and the SessionClosed eventthe not-connected answers of every tag command

Missing

tag discovery (the simulator has no NFC reader); the Android NfcManager module