android - Attendance using smartphone hotspot -


i wanted build attendance app (preferably ios , android) 1 phone shares hotspot. devices connected hotspot send phone owner's name or id makes hotspot phone recognize phone users , adds 1 attendance point.

the hotspot phone store attendance online. needs mobile app system used organisation goes different sites every project.

edit technologies should make application? thinking of nfc requires devices close together. connecting wireless network more convenient imo. help

using network service discovery can achieve this. need wifi router connect devices. 1 device host , others client.

go through link https://developer.android.com/training/connect-devices-wirelessly/nsd.html


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