变更记录

序号 录入时间 录入人 备注
1 2016-08-18 Alfred Jiang -

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

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

@interface CTTelephonyNetworkInfo (CellularConnectionName)

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

@end

CTTelephonyNetworkInfo+CellularConnectionName.m

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#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

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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

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//
//  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

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//
//  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

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[CheckNetwork networkType];

效果图

（无）

备注