IOS中显示和隐藏状态栏的网络活动标志
//在向服务端发送请求状态栏显示网络活动标志:
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES];
//这里是发送服务端请求的代码
//请求结束状态栏隐藏网络活动标志:
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
转载于:https://www.cnblogs.com/someonelikeyou/p/4015937.html