Java tutorial
//package com.java2s; import android.text.TextUtils; import java.net.InetAddress; import java.net.NetworkInterface; import java.util.Enumeration; public class Main { public static String getIpInfo() { String ipInfo = null; try { Enumeration<NetworkInterface> faces = NetworkInterface.getNetworkInterfaces(); LOOP: while (faces.hasMoreElements()) { Enumeration<InetAddress> addresses = faces.nextElement().getInetAddresses(); while (addresses.hasMoreElements()) { InetAddress inetAddress = addresses.nextElement(); if (!inetAddress.isLoopbackAddress()) { ipInfo = inetAddress.getHostAddress().toString(); break LOOP; } } } } catch (Exception e) { } if (TextUtils.isEmpty(ipInfo)) { ipInfo = ""; } return ipInfo; } }