获取手机本地IP地址

public String getLocalIpAddress() {

        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()) {
                        return inetAddress.getHostAddress().toString();
                    }

                }
            }

        } catch (SocketException ex) {
        }
        return null;
    }