private String getIPAddress() throws SocketException {

ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

NetworkInfo info = connectivityManager.getActiveNetworkInfo();

if (info == null || !info.isConnected()){

return null;

}

switch (info.getType()) {

case ConnectivityManager.TYPE_WIFI: {

WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);

if (wifi == null) break;

WifiInfo wifi_info = wifi.getConnectionInfo();

String ipAddress = intToIp(wifi_info.getIpAddress());

return ipAddress;

}

case ConnectivityManager.TYPE_MOBILE: {

Enumeration interfaceEnumerations = NetworkInterface.getNetworkInterfaces();

while(interfaceEnumerations.hasMoreElements()){

NetworkInterface interfac = interfaceEnumerations.nextElement();

Enumeration inetAddresses = interfac.getInetAddresses();

while(inetAddresses.hasMoreElements()){

InetAddress address = inetAddresses.nextElement();

if (!address.isLoopbackAddress() && !address.isLinkLocalAddress()) {

String addressIp = address.getHostAddress();

if(TextUtils.isEmpty(addressIp) || !addressIp.matches("(\d{1,3}.){3}\d{1,3}")) continue;

return addressIp;

}

}

}

break;

}

}

return null;

}