ios 获取网络类型

//获取网络类型

+(NSString *)getNetWorkStates{

UIApplication *app = [UIApplication
sharedApplication];

NSArray *children = [[[app
valueForKeyPath:@"statusBar"]valueForKeyPath:@"foregroundView"]subviews];

NSString *state = [[NSString
alloc]init];

int netType =
0;

//获取到网络返回码

for (id child
in children) {

if ([child
isKindOfClass:NSClassFromString(@"UIStatusBarDataNetworkItemView")]) {

//获取到状态栏

netType = [[child valueForKeyPath:@"dataNetworkType"]intValue];

switch (netType) {

case
0:

state = @"无网络";

//无网模式

break;

case
1:

state = @"2G";

break;

case
2:

state = @"3G";

break;

case
3:

state = @"4G";

break;

case
5:

{

state = @"WIFI";

}

break;

default:

break;

}

NSLog(@"%@",state);

}

}

//根据状态选择

return state;

}

但是这个方法有个bug，wifi‘切换到无网络的时候检测不到，希望有大神们有解决的办法告诉我