Added CTTelephonyNetworkInfo.currentRadioAccessTechnology
Added CTRadioAccessTechnologyCDMA1x
Added CTRadioAccessTechnologyCDMAEVDORev0
Added CTRadioAccessTechnologyCDMAEVDORevA
Added CTRadioAccessTechnologyCDMAEVDORevB
Added CTRadioAccessTechnologyDidChangeNotification
Added CTRadioAccessTechnologyEdge
Added CTRadioAccessTechnologyGPRS
Added CTRadioAccessTechnologyHSDPA
Added CTRadioAccessTechnologyHSUPA
Added CTRadioAccessTechnologyLTE
Added CTRadioAccessTechnologyWCDMA
Added CTRadioAccessTechnologyeHRPD
#import <CoreTelephony/CTTelephonyNetworkInfo.h>
输出当前运营商的网络类型:
CTTelephonyNetworkInfo *networkInfo = [[CTTelephonyNetworkInfo alloc] init];
NSLog(@"%@", networkInfo.currentRadioAccessTechnology);
或者
NSNotificationCenter中注册CTRadioAccessTechnologyDidChangeNotification(宏定义)来监听状态改变