在Reachability中没有调用通知

Question

我使用过Andrew的修改后的Reachability类.

-(void)viewDidLoad

[[NSNotificationCenter defaultCenter] postNotificationName:kReachabilityChangedNotification object:nil];
[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(checkNetworkStatus:) name:kReachabilityChangedNotification object:nil];

下载数据时,我会AirPort关闭.但是checkNetworkStatus没有被召唤.我错过了什么.请帮我.这个问题让我疯了.提前致谢.

Answer 1

您是否告诉可达性实例开始广播通知？

Reachability *internetReachable = [Reachability reachabilityForInternetConnection];
// This will tell the notifier to start sending notifications
[internetReachable startNotifier];

Answer 2

按照这个顺序

在你看来确实加载了

首先注册

然后

发布该通知

[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(checkNetworkStatus:) name:kReachabilityChangedNotification object:nil];


[[NSNotificationCenter defaultCenter] postNotificationName:kReachabilityChangedNotification object:nil];