Class android.net.nsd.NsdManager

Added Methods
void discoverServices(String, int, Network, Executor, DiscoveryListener)  
void discoverServices(String, int, NetworkRequest, Executor, DiscoveryListener)  
void registerService(NsdServiceInfo, int, Executor, RegistrationListener)  
void resolveService(NsdServiceInfo, Executor, ResolveListener)