Detect network type (ios)

Detect network type (ios)

#import <CoreTelephony/CTTelephonyNetworkInfo.h>
#import "Reachability.h"

@implementation DeviceInfo

- (NSString *)getNetworkType
{
    Reachability *reachability = [Reachability reachabilityForInternetConnection];
    [reachability startNotifier];
    
    NetworkStatus status = [reachability currentReachabilityStatus];

    switch (status)
    {
        case ReachableViaWWAN:
        {
            CTTelephonyNetworkInfo *info = [CTTelephonyNetworkInfo new];
            NSString *radioAccessTechnology = info.currentRadioAccessTechnology;
            NSLog(@"Current Radio Access Technology: %@", radioAccessTechnology);
            
            if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyGPRS]) {
                return @"2G";
            } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyEdge]) {
                return @"2G";
            } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyWCDMA]) {
                return @"3G";
            } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyHSDPA]) {
                return @"3G";
            } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyHSUPA]) {
                return @"3G";
            } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyCDMA1x]) {
                return @"CDMA";
            } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyCDMAEVDORev0]) {
                return @"CDMA";;
            } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyCDMAEVDORevA]) {
                return @"CDMA";
            } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyCDMAEVDORevB]) {
                return @"CDMA";
            } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyeHRPD]) {
                return @"3G";
            } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyLTE]) {
                return @"LTE";
            }
            break;
        }
        case ReachableViaWiFi:
        {
            return @"WiFi";
            break;
        }
        default:
            break;
    }
    
    return @"undefined";
}

@end