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| import UIKit | |
| class SplashViewController: UIViewController { | |
| var launchDataDispatchGroup: DispatchGroup = DispatchGroup() | |
| override func viewDidLoad() { | |
| super.viewDidLoad() | |
| DispatchQueue.global().async { [weak self] in | |
| self?.getAppLaunchData() | |
| } | |
| } | |
| private func getAppLaunchData() { | |
| launchDataDispatchGroup.enter() | |
| NetworkManager.shared.getData(for: .appConfig) { response in | |
| launchDataDispatchGroup.leave() | |
| // whatever you want to do with the response | |
| } | |
| launchDataDispatchGroup.enter() | |
| NetworkManager.shared.getData(for: .user) { response in | |
| launchDataDispatchGroup.leave() | |
| // whatever you want to do with the response | |
| } | |
| launchDataDispatchGroup.enter() | |
| NetworkManager.shared.getData(for: .longResponseTimeAPI) { response in | |
| launchDataDispatchGroup.leave() | |
| // whatever you want to do with the response | |
| } | |
| // Timeout for 3 seconds | |
| let waitResult: DispatchTimeoutResult = launchDataDispatchGroup.wait(timeout: .now() + .seconds(3)) | |
| DispatchQueue.main.async { [weak self] in | |
| switch waitResult { | |
| case .success: | |
| // API calls before 3 second timeout | |
| case .timedOut: | |
| // APIs timedout | |
| } | |
| // required instruction | |
| } | |
| } | |
| } |
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