public static String getIpAddress() {
    try {
        for (Enumeration en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
            NetworkInterface intf = (NetworkInterface) en.nextElement();
            for (Enumeration enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                InetAddress inetAddress = (InetAddress) enumIpAddr.nextElement();

                if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {
                    String ipAddress = inetAddress.getHostAddress().toString();
                    Log.e("IP address", "" + ipAddress);
                    return ipAddress;
                }
            }
        }
    } catch (SocketException ex) {
        Log.e("MASOOM", ex.toString());
    }
    return null;
}

public String getIpAddress(){
    WifiManager wifiManager = (WifiManager) this.getSystemService(WIFI_SERVICE);
    int ipAddress = wifiManager.getConnectionInfo().getIpAddress();
    return String.format("%d.%d.%d.%d", (ipAddress & 0xff), (ipAddress >> 8 & 0xff),(ipAddress >> 16 & 0xff), (ipAddress >> 24 & 0xff));
}