When I was at WWDC this year I went to a Developer Lab for Multipeer Connectivity and was told by an Apple engineer that no, service advertisers and browsers will not work in the background.
That said, I've been successfully communicating with connected peers with an app running in the background using a background task, but I have not been able to advertise or browse.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…