#iOS 网络状态检测
导入CoreTelephony.framework框架
CTCellularData *cellularData = [[CTCellularData alloc]init];
cellularData.cellularDataRestrictionDidUpdateNotifier = ^(CTCellularDataRestrictedState state){
//状态改变时进行相关操作
};
CTCellularData *cellularData = [[CTCellularData alloc]init];
CTCellularDataRestrictedState state = cellularData.restrictedState;
switch (state) {
case kCTCellularDataRestricted:
NSLog(@"Restricrted");
break;
case kCTCellularDataNotRestricted:
NSLog(@"Not Restricted");
break;
case kCTCellularDataRestrictedStateUnknown:
NSLog(@"Unknown");
break;
default:
break;
}