如何打开iOS状态栏中的网络指示灯？

Question

我知道这些指标不止一个.谢谢.

Answer 1

迅速

UIApplication.sharedApplication().networkActivityIndicatorVisible = true

Swift 4.x,Swift 3.x

UIApplication.shared.isNetworkActivityIndicatorVisible = true

Answer 2

[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES];