Java tutorial
//package com.java2s; import android.content.Context; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; public class Main { public static String getWiFiIP(Context context) { WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); if (!wifiManager.isWifiEnabled()) { wifiManager.setWifiEnabled(true); } WifiInfo wifiinfo = wifiManager.getConnectionInfo(); String ip = intToIp(wifiinfo.getIpAddress()); return ip; } public static String intToIp(int i) { return (i & 0xFF) + "." + ((i >> 8) & 0xFF) + "." + ((i >> 16) & 0xFF) + "." + ((i >> 24) & 0xFF); } }