Hello!
NfcManager.mifareClassicHandlerAndroid.mifareClassicWriteBlock throws [Error: data should be a non-empty Array[undefined] of integers (0 - 255)] .
I have to:
if (undefined === NativeModules.NfcManager.MIFARE_BLOCK_SIZE) {
NativeModules.NfcManager.MIFARE_BLOCK_SIZE = 16;
}