检测运营商连接类型(3G/EDGE/GPRS)

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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