AFN 监听网络

AppDelegate中的didFinishLaunchingWithOptions中注册监听

AFNetworkReachabilityManager *mgr = [AFNetworkReachabilityManager sharedManager];

[mgr setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {

switch (status) {

case AFNetworkReachabilityStatusUnknown:

break;

case AFNetworkReachabilityStatusNotReachable:

break;

case AFNetworkReachabilityStatusReachableViaWiFi:

break;

case AFNetworkReachabilityStatusReachableViaWWAN:

break;

default:

break;

}

}];

[mgr startMonitoring];

在界面中

AFNetworkReachabilityManager *mgr = [AFNetworkReachabilityManager sharedManager];

NSLog(@"%d", mgr.isReachable);