Reachablility to detect 3g or wifi

reachability_3g_wifi

  self.internetReachability = [Reachability reachabilityForInternetConnection];
  [self.internetReachability startNotifier];
  
  self.wifiReachability = [Reachability reachabilityForLocalWiFi];
  [self.wifiReachability startNotifier];
  
  [AppInfo setCurrentNetworkStatus:[self statusByWifiAndInternetReachability]];



- (NetworkStatus)statusByWifiAndInternetReachability {
  
  if (self.wifiReachability.currentReachabilityStatus != NotReachable) {
    return ReachableViaWiFi;
  } else {
    if (self.internetReachability.currentReachabilityStatus == NotReachable) {
      return NotReachable;
    } else {
      return ReachableViaWWAN;
    }
  }
}