I am looking for a way to create a NFC-tag that shares the wifi credentials of my network without my guests having to have any special NFC apps on their phone (other than whats
A URI of the form WIFI:T:WPA;S:SSID;P:PASSPHRASE;; will set WiFi if encoded to a QR code and scanned; but when encoded to an NFC tag it is unrecognized as a URI. This suggests to me that the NFC API is deficient in Android.