URLSession.datatask with request block not called in background

Question

URLSession data task block is not calling when the app is in background and it stuck at dataTask with request.
When I open the app the block ge

Answer 1

Or simply start a BackgroundTask

func send(...) {
  let backgroundTaskID = UIApplication.shared.beginBackgroundTask(expirationHandler: nil)
  let session = URLSession(configuration: .default)

  // ... after all the main logic, when you finish:
  DispatchQueue.main.async {
    completion(result)
    UIApplication.shared.endBackgroundTask(backgroundTaskID)
  }
}