寫在appdelegate中:
- (void)AFN {
[[AFNetworkReachabilityManager sharedManager] startMonitoring];
[[AFNetworkReachabilityManager sharedManager ] setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {
switch (status) {
case -1:
[SVProgressHUD showErrorWithStatus:@"未知網絡"];
break;
case0:
[SVProgressHUD showErrorWithStatus:@"沒有網絡"];
break;
case1:
NSLog(@"GPRS網絡");
break;
case2:
NSLog(@"wifi網絡");
break;
default:
break;
}
if(status ==AFNetworkReachabilityStatusReachableViaWWAN || status == AFNetworkReachabilityStatusReachableViaWiFi)
{
NSLog(@"有網");
}else
{
NSLog(@"沒有網");
UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"網絡失去連接" message:nil delegate:self cancelButtonTitle:@"取消" otherButtonTitles:nil, nil];
alert.delegate = self;
[alert show];
}
}];
}
[_mgr.requestSerializer willChangeValueForKey:@"timeoutInterval"];
_mgr.requestSerializer.timeoutInterval = 3.f;
[_mgr.requestSerializer didChangeValueForKey:@"timeoutInterval"];