Advice on how to determine the network sharing enabled and portable hotspot?

            
Determine whether the "USB sharing network" open?
Or "portable WLAN hotspots" open?

Reply:
See if you can get network access type, otherwise it is impossible to judge
Reply:
Thank you. There should be broadcast and the like, I looked for a long time there is no information on what was found in the broadcast
Reply:
@ Tantahe, welcomed the guidance of an experienced friend, thank you
Reply:
I also encountered this problem, find the Great God
Reply:
Seems to be a new thing, little information, interested friends with everyone study it