Java tutorial
//package com.java2s; //License from project: Open Source License import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.util.Enumeration; import android.util.Log; public class Main { public static String getIpAddress() { String ipaddress = ""; try { for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en .hasMoreElements();) { NetworkInterface intf = en.nextElement(); for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) { InetAddress inetAddress = enumIpAddr.nextElement(); if (!inetAddress.isLoopbackAddress()) { ipaddress = ipaddress + ";" + inetAddress.getHostAddress().toString(); } } } } catch (SocketException ex) { ipaddress = null; Log.e("WifiPreference IpAddress", ex.toString()); } return ipaddress; } }