检测运营商连接类型(3G/EDGE/GPRS)-移动开发问题

Detect carrier connection type (3G / EDGE / GPRS)(检测运营商连接类型(3G/EDGE/GPRS))

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问题描述

如何获取运营商网络的连接类型?

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

我可以使用 Reachability 类获取连接是 WIFI 还是 WWAN
我可以获取网络标志

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

我可以使用 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.

知道也使用 iOS 私有 API 吗?

谢谢.

推荐答案

从iOS 7 开始可以使用:

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);
}];

我还发现这可以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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