I think it might be possible to retrieve WiFi password in terms of Bar-code of the currently connected WiFi network.This functionality will give non root users some joy.
Not that I'm aware of. You can write it to an NFC tag from the Android Settings but you need to enter it beforehand so you have to know it anyway.
A barcode is just some encoded text.
I think it might be possible to retrieve WiFi password in terms of Bar-code of the currently connected WiFi network.This functionality will give non root users some joy.