互联网问题

Question

如何通过iphone或objective-c检查互联网连接？

Answer 1

以下是您可以使用的代码片段：

[[Reachability sharedReachability] setHostName:@"example.com"];
if ([[Reachability sharedReachability] remoteHostStatus] == NotReachable) {
    UIAlertView *dialog = [[[UIAlertView alloc] init] retain];
    [dialog setTitle:@"Server unreachable"];
    [dialog setMessage:@"The server is temporarily unavailable."];
    [dialog addButtonWithTitle:@"OK"];
    [dialog show];
    [dialog release];
}

Answer 2

Quick and Drity: Ping Google？

Answer 3

苹果的建议是做一些类似(或使用) Reachability的事情