Android Multicast socket stops listening

Question

I have a service on Android that listens and responds to packets it receives via multicast.

This works most of the time, but unfortunately, I\'m finding that every n

Answer 1

Are you acquiring a multicast lock?

WifiManager manager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
MulticastLock lock = manager.createMulticastLock("lock name");
lock.setReferenceCounted(true);
lock.acquire();

It also seems like certain devices block multicast:

Multicast on Android 2.2