ios - 没有互联网连接时禁用按钮

Question

在 iOS 中没有网络/互联网连接时如何禁用按钮？

Answer 1

查看来自 Apple 的可达性代码。

http://developer.apple.com/library/ios/#samplecode/Reachability/Introduction/Intro.html

并像这样使用它:

Reachability *reachabilityInstance = [[Reachability reachabilityForInternetConnection] retain];
[reachabilityInstance startNotifier];
NetworkStatus networkStatus = [reachabilityInstance currentReachabilityStatus];
BOOL connected = (networkStatus==ReachableViaWiFi || networkStatus==ReachableViaWWAN);