变更记录

方案名称

网络 - 判断连接类型

关键字

网络 \ CTTelephonyNetworkInfo \ 移动网络类型 \ 运营商信息

需求场景

1. 需要确认手机移动网络状态和运营商名称等信息

参考链接

1. Stack Overflow - CTTelephonyNetworkInfo detect data type(推荐)
2. Stack Overflow - Detect carrier connection type (3G / EDGE / GPRS)

详细内容

方案一

CTTelephonyNetworkInfo+CellularConnectionName.h

#import <CoreTelephony/CTTelephonyNetworkInfo.h>
#import <Foundation/Foundation.h>

@interface CTTelephonyNetworkInfo (CellularConnectionName)

- (NSString *)cellularConnectionVersionName;
- (NSString *)cellularConnectionNiceName;

@end

CTTelephonyNetworkInfo+CellularConnectionName.m

#import "CTTelephonyNetworkInfo+CellularConnectionName.h"

@implementation CTTelephonyNetworkInfo (CellularConnectionName)

- (NSString *)cellularConnectionVersionName {

    if ([self.currentRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyGPRS]
        ||[self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyEdge]) {

        return @"2G";
    }
    else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyWCDMA]
               ||[self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyHSDPA]
               ||[self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyHSUPA]
               ||[self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMA1x]
               ||[self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORev0]
               ||[self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORevA]
               ||[self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORevB]
               ||[self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyeHRPD]) {

        return @"3G";
    }
    else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyLTE]) {

        return @"4G";
    }

    return @"UNKNOWN";
}

- (NSString *)cellularConnectionNiceName {

    if ([self.currentRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyGPRS]) {
        return @"GPRS";
    } else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyEdge]) {
        return @"EDGE";
    } else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyWCDMA]) {
        return @"WCDMA";
    } else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyHSDPA]) {
        return @"HSDPA";
    } else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyHSUPA]) {
        return @"HSUPA";
    } else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMA1x]) {
        return @"CDMA1X";
    } else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORev0]) {
        return @"CDMAEVDOREV0";
    } else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORevA]) {
        return @"CDMAEVDOREVA";
    } else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORevB]) {
        return @"CDMAEVDOREVB";
    } else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyeHRPD]) {
        return @"EHRPD";
    } else if ([self.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyLTE]) {
        return @"LTE";
    }

    return @"UNKNOWN";
}

@end

使用

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

方案二（推荐）

CheckNetwork.h

//
//  CheckNetwork.h
//  CheckNetworkType
//
//  Created by viktyz on 16/10/27.
//  Copyright © 2016年 AlfredJiang. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface CheckNetwork : NSObject

+ (NSString *)networkType;

@end

CheckNetwork.m

//
//  CheckNetwork.m
//  CheckNetworkType
//
//  Created by viktyz on 16/10/27.
//  Copyright © 2016年 AlfredJiang. All rights reserved.
//

#import "CheckNetwork.h"
#import <netinet/in.h>
#import <SystemConfiguration/SCNetworkReachability.h>

@implementation CheckNetwork

{

    struct sockaddr_in zeroAddress;
    bzero(&zeroAddress, sizeof(zeroAddress));
    zeroAddress.sin_len = sizeof(zeroAddress);
    zeroAddress.sin_family = AF_INET;
    SCNetworkReachabilityRef defaultRouteReachability = SCNetworkReachabilityCreateWithAddress(NULL, (struct sockaddr *)&zeroAddress);
    SCNetworkReachabilityFlags flags;
    SCNetworkReachabilityGetFlags(defaultRouteReachability, &flags);

    if ((flags & kSCNetworkReachabilityFlagsReachable) == 0)
    {
        return @"Not Reachable";
    }

    if ((((flags & kSCNetworkReachabilityFlagsConnectionOnDemand ) != 0) ||
         (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0))
    {
        if ((flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0)
        {
            return @"wifi";
        }
    }

    if((flags & kSCNetworkReachabilityFlagsReachable) == kSCNetworkReachabilityFlagsReachable){

        if ((flags & kSCNetworkReachabilityFlagsIsWWAN) == kSCNetworkReachabilityFlagsIsWWAN){

            if ((flags & kSCNetworkReachabilityFlagsTransientConnection) == kSCNetworkReachabilityFlagsTransientConnection){

                if((flags & kSCNetworkReachabilityFlagsConnectionRequired) == kSCNetworkReachabilityFlagsConnectionRequired){

                    return @"2g";
                }
                return @"3g";
            }
            return @"4g";
        }
    }

    if ((flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0){

        return @"wifi";
    }

    return @"Unknown";
}

@end

使用

[CheckNetwork networkType];

效果图

（无）

备注

• 网络 - 判断连接状态