set candidate gathering to continually. fixes #3719

Daniel Gultsch created 

This should be good enough to survive some network switches where both networks are online at the same time to allow for some handover
(for example when enabling wifi the 3G connection will usually (probably depends on OS) live on for a moment

Change summary

src/main/java/eu/siacs/conversations/xmpp/jingle/WebRTCWrapper.java | 1 
1 file changed, 1 insertion(+)

Detailed changes

src/main/java/eu/siacs/conversations/xmpp/jingle/WebRTCWrapper.java 🔗 

@@ -272,6 +272,7 @@ public class WebRTCWrapper {
 
         final PeerConnection.RTCConfiguration rtcConfig = new PeerConnection.RTCConfiguration(iceServers);
         rtcConfig.tcpCandidatePolicy = PeerConnection.TcpCandidatePolicy.DISABLED; //XEP-0176 doesn't support tcp
+        rtcConfig.continualGatheringPolicy = PeerConnection.ContinualGatheringPolicy.GATHER_CONTINUALLY;
         final PeerConnection peerConnection = peerConnectionFactory.createPeerConnection(rtcConfig, peerConnectionObserver);
         if (peerConnection == null) {
             throw new InitializationException("Unable to create PeerConnection");