public class IPAddressUtils {

    public static String getLocalIpAddress() {

        try {

            String allIP = "";

            for (Enumeration<NetworkInterface> en = NetworkInterface

                    .getNetworkInterfaces(); en.hasMoreElements();) {

                NetworkInterface intf = en.nextElement();

                for (Enumeration<InetAddress> enumIpAddr = intf

                        .getInetAddresses(); enumIpAddr.hasMoreElements();) {

                    InetAddress inetAddress = enumIpAddr.nextElement();

                    allIP += inetAddress.getHostAddress()+"\n";

                    if (!inetAddress.isLoopbackAddress()&&inetAddress instanceof Inet4Address) {

//                        return inetAddress.getHostAddress();

                    }

                }

            }

            return allIP;

        } catch (SocketException ex) {

            ex.printStackTrace();

        }

        return "获取失败";

    }

    public static String getIp(){

        WifiManager wm=(WifiManager)MyApplication.getInstance().getApplicationContext()

                .getSystemService(Context.WIFI_SERVICE);

        //检查Wifi状态

        if(!wm.isWifiEnabled())

            return "wifi未开启";

        WifiInfo wi=wm.getConnectionInfo();

        //获取32位整型IP地址

        int ipAdd=wi.getIpAddress();

        //把整型地址转换成“*.*.*.*”地址

        String ip=intToIp(ipAdd);

        return ip;

    }

    private static String intToIp(int i) {

        return (i & 0xFF ) + "." +

        ((i >> 8 ) & 0xFF) + "." +

        ((i >> 16 ) & 0xFF) + "." +

        ( i >> 24 & 0xFF) ;

    }

}