标题栏网络连接图标的显示和取消[UIApplication sharedApplication].networkActivityIndicatorVisible Y
标题栏网络连接图标的显示和取消
[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
?
标题栏网络连接图标的显示和取消
[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
?