TelephonyManager tel = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
String networkOperator = tel.getNetworkOperator();
if (!TextUtils.isEmpty(networkOperator)) {
Logger.d("getNetworkCountryIso :" + tel.getNetworkCountryIso());
int mcc = Integer.parseInt(networkOperator.substring(0, 3));
Logger.d("onCreate: mcc " + mcc);
}