I am working on a Face-Recognition based attendance system. I have two apps, a teacher app, and a student app. During attendance, I want that the teacher starts a Wifi-hotspot and the students connect to it. After that, the attendance process goes on, in which students’ faces are recognized on their phones and the results are sent to the teacher’s app via the Wifi connection. The teacher can then upload the attendance to a central server.
I intend to use Nearby Connections API for making the Wifi connection between the student and teacher apps. But, I am stuck on the following 2 points:-
How many students can be simultaneously connected to the teacher app using Nearby Connections? Note, this will be a P2P_STAR strategy, as there is one teacher and many students. So, in this 1 to N connection, what is the upper limit of N?
Will the teacher app be able to connect to the internet through a Wifi AP while it is connected to students’ apps using Nearby Connections?
Any other suggestions for making the connection which can serve my purpose are also welcome.
NOTE: My minimum API level is 19.
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