Java tutorial
//package com.java2s; /* * Copyright 2011 David Simmons * http://cafbit.com/entry/testing_multicast_support_on_android * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.util.Enumeration; import java.util.HashSet; import java.util.Set; import android.util.Log; public class Main { private static final String TAG = "NetLib"; public static Set<InetAddress> getLocalAddresses() { Set<InetAddress> addresses = new HashSet<InetAddress>(); Enumeration<NetworkInterface> networkInterfaces; try { networkInterfaces = NetworkInterface.getNetworkInterfaces(); } catch (SocketException e) { Log.v(TAG, "getNetworkInterfaces(): " + e.getMessage(), e); return null; } while (networkInterfaces.hasMoreElements()) { NetworkInterface networkInterface = networkInterfaces.nextElement(); Enumeration<InetAddress> addressEnum = networkInterface.getInetAddresses(); while (addressEnum.hasMoreElements()) { addresses.add(addressEnum.nextElement()); } } return addresses; } }