I think this thread might have the entirety of people that we know of that are having issues here, though I'd need to check in with our support team to be sure. That said, we want to help. First, if you're able to bring the connection back by resetting the ForeFlight app / ipad, I don't think the problem is not likely to be with SkyView's Wi-Fi link as the original poster supposes, especially if the iPad continues to be connected to SkyView. Both the ADAHRS and the position data are basically continuously broadcast. But there are a few places there could be issues, and we need more information to try to home in on where it might be.
One thing to make sure you understand: if you don't have SkyView working, there's no ADAHRS data to transmit to the FF app. So that's definitely not a backup/redundancy feature. Seeing the attitude on ForeFlight from SkyView is definitely more of a convenience feature.
A few questions for any of you that are experiencing this:
1) Does the Wi-Fi link remain active as far as the iPad can see (look in the ipad's settings; don't rely on the wifi indicator as that can be suppressed depending on...)
1b) Does SkyView's Wi-Fi status indicate ONLINE? This is in SYSTEM SETUP > WI-FI SETUP.
2) Do you have the WI-FI ICON ON APPLE DEVICES option set to "yes" or "no" on SkyView?
3) Does ForeFlight freeze entirely? Or do you just lose position and/or attitude. Does flight plan transfer still work?
4) How long, after you're up and running, does this problem seem to happen. Does it happen minutes after ForeFlight and SkyView are connected? Hours? Randomly?
5) Does SkyView itself lose its GPS lock at all? The most immediate way you'd see this is the Synthetic Vision display would revert to the "old" brown over blue depiction.
6) We have limited ability to troubleshoot the ForeFlight app ourselves. Please, if you haven't already, reach out to ForeFlight directly here so that they know that there is more than an isolated customer having this issue. url=https://www.foreflight.com/support/contact/]directly here[/url].