private Preference buildMobilePref(Context context) {
   final TelephonyManager tele = TelephonyManager.from(context);
   final NetworkTemplate template = NetworkTemplate.buildTemplateMobileAll(tele.getSubscriberId());
   final MeteredPreference pref = new MeteredPreference(context, template);
   pref.setTitle(tele.getNetworkOperatorName());
   return pref;
 }
 private Preference buildWifiPref(Context context, WifiConfiguration config) {
   final String networkId = config.SSID;
   final NetworkTemplate template = NetworkTemplate.buildTemplateWifi(networkId);
   final MeteredPreference pref = new MeteredPreference(context, template);
   pref.setTitle(removeDoubleQuotes(networkId));
   return pref;
 }