The product has a requirement that the loading animation pops up after network request 3, but I don’t want to use NSTimer. Is there any easy way
光阴似箭催人老,日月如移越少年。
Objective-C:
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(3.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ // show loading });
Swift 3: (Note: self cannot be omitted in block)
DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 3) { // show loading }
Objective-C:
Swift 3: (Note: self cannot be omitted in block)