iOS App 本地化終極指南

/*
ViewController.swift
*/

private func setLangauge(languageCode: String, language: String) {
     let alert = UIAlertController(title: nil, message: "changing.language".localize(), preferredStyle: .alert)

      alert.addAction(UIAlertAction(title: "exit.sleepy".localize() , style: .default, handler: { [weak self](_) in
						// Update app's language with the language code
            UserDefaults.standard.set([languageCode], forKey: "AppleLanguages")
            UserDefaults.standard.synchronize()

            self?.closeApplicationWithNotification(language: language)
    }))

		 // Show change language alert to user
     self.present(alert, animated: true, completion: nil)
}

 private func closeApplicationWithNotification(language: String) {
     let content = UNMutableNotificationContent()
     content.title = "Language changed to \(language)"
     content.body = "Tap to reopen the application"
     content.sound = UNNotificationSound.default

     let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 0.5, repeats: false)
     let identifier = "sleepy"
     let request = UNNotificationRequest.init(identifier: identifier, content: content, trigger: trigger)
     let center = UNUserNotificationCenter.current()
     center.add(request)

     exit(EXIT_SUCCESS)
}代碼語言： JavaScript  （javascript ）

/*
ViewController.swift
*/

func configureActionItemMenu() {
    let menuItems = [
         UIAction(title: "English", handler: { [weak   self] (_) in
             self?.setLangauge(languageCode: "en", language: "English")
        }),
         UIAction(title: "Hebrew",handler: { [weak   self] (_) in
             self?.setLangauge(languageCode: "he", language: "Hebrew")
        }),
         UIAction(title: "Spanish", handler: { [weak   self] (_) in
         self?.setLangauge(languageCode: "es", language: "Spanish")
        })
    ]

    let languageMenu = UIMenu(
			title: "choose.language".localize(), 
			image: nil, 
			identifier: nil, 
			options: [], 
			children: menuItems
		)

    navigationItem.rightBarButtonItem = UIBarButtonItem(
			title: "choose.language".localize(), 
			image: UIImage(systemName: "gear"), 
			primaryAction: nil, 
			menu: languageMenu
		)
    navigationItem.rightBarButtonItem?.tintColor = .white
}