检测载波连接类型（3G / EDGE / GPRS） [英] Detect carrier connection type (3G / EDGE / GPRS)

问题描述

如何获得运营商网络的连接类型？

How can i get the type of connection of a carrier network?

• 如果连接是WIFI或WWAN我能够获得使用可达性类



• 我能够获得网络标志

• I'm able to get if connection is WIFI or WWAN using Reachability class

• I'm able to get network flags

可达性标志状态：WR t ------ localWiFiStatusForFlags

Reachability Flag Status: WR t------ localWiFiStatusForFlags

I能够使用获得WIFI SSID CaptiveNetwork

支持的接口：（en0）

Supported interfaces: ( en0 )

en0 => {  
    BSSID = "xx:xx:xx:xx:xx:xx";  
    SSID = MyWifiNetwork;  
    SSIDDATA = <x1x1x1x1 x1x1x1x1 x1>;  
}  

但我无法区分3G，EDGE或GPRS连接。

But i'm not able to differenziate 3G, EDGE or GPRS connection.

任何想法也使用iOS私有API？

谢谢。

推荐答案

从iOS 7开始，您可以使用：

From iOS 7 on you can use:

CTTelephonyNetworkInfo *telephonyInfo = [CTTelephonyNetworkInfo new];
NSLog(@"Current Radio Access Technology: %@", telephonyInfo.currentRadioAccessTechnology);
[NSNotificationCenter.defaultCenter addObserverForName:CTRadioAccessTechnologyDidChangeNotification 
                                                object:nil 
                                                 queue:nil 
                                            usingBlock:^(NSNotification *note) 
{
    NSLog(@"New Radio Access Technology: %@", telephonyInfo.currentRadioAccessTechnology);
}];

我还发现这是为了检测慢速或快速连接：

I have also found this to detect a slow or fast connection:

- (BOOL)isFast:(NSString*)radioAccessTechnology {
    if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyGPRS]) {
        return NO;
    } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyEdge]) {
        return NO;
    } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyWCDMA]) {
        return YES;
    } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyHSDPA]) {
        return YES;
    } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyHSUPA]) {
        return YES;
    } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyCDMA1x]) {
        return NO;
    } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyCDMAEVDORev0]) {
        return YES;
    } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyCDMAEVDORevA]) {
        return YES;
    } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyCDMAEVDORevB]) {
        return YES;
    } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyeHRPD]) {
        return YES;
    } else if ([radioAccessTechnology isEqualToString:CTRadioAccessTechnologyLTE]) {
        return YES;
    }

    return YES;
}

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