UIApplication.registerForRemoteNotifications() must be called from main thread only

Question

Xcode 9 (iOS 11) showing me an error/warning while registering for Push (remote) notification.

Here is error message

And here is code, I\'ve tried:<

Answer 1

In swift4

You can solve this issue with

DispatchQueue.main.async {
  UIApplication.shared.registerForRemoteNotifications()
}

Hope this will help...