On macOS, direct people to System Preferences > Language & Region to add a per-language setting for your app. On iOS, add the following: ( URL(string: UIApplication.openSettingsURLString) !) If you’d like to guide people to the system settings for language selection, you can replace your app’s custom UI with a flow that launches directly into the Settings app on iOS. If you currently offer such a UI, you should remove it to avoid customer confusion and potential conflict with the system. With systemwide support for in-app language selectors, you no longer need to provide a way to select languages within your app if you support iOS 13 or macOS Catalina or later. How to transition away from a custom language selector in your app If it’s not possible to have ongoing communication with the server due to connectivity or other constraints, you can also send the output of to the server that way, it will know which language the app has been launched in and deliver content accordingly. Then, use the preferredLocalization API with those languages: Bundle.preferredLocalizations(from: availableLanguages).first. First, find out what available languages there are: let availableLanguages = Server.requestAvailableLanguages() If you need to check against a custom set of available languages (say, from a server or other source), you can do so with a simple modification to the previous API call. Find your way outside with the 2023 iPhone App of the Year Whether you hike, bike, run, or walk, AllTrails is your companion and guide to the outdoors. If you need to load content from other sources, such as a server, you can do so and ensure that you match the app’s language with a few bundle APIs.ī will get the system’s current language in priority order. Download AllTrails: Hike, Bike & Run and enjoy it on your iPhone, iPad, and iPod touch. How to load custom content in the correct language Learn more about implementing state restoration > (And if you still support view controller state restoration, you can enable state restoration on your app delegate.) If your app supports scene-based state restoration, you can implement stateRestorationActivity(for scene) and return an NSUserActivity that encodes the scene state. If not, you’ll have to start from the app’s main screen and find that restaurant again. If that app supports state restoration, you can exit to the Settings app and return to the restaurant you were viewing - now in the new language. By default, you use English, but might want to switch the app’s language when viewing a certain restaurant’s menu so that you can better understand its native dishes. For example, say you’re living abroad and looking for food using a restaurant delivery app. If someone decides mid-activity that they’d like to view your app in a different language, you can make the experience even smoother for them by restoring their previous state when they return. Restore your state after a change in the language setting Once someone has set their preferred languages for an app in Settings, it will then render accordingly in your app.ĪllTrails will now render in Spanish, while the rest of the device continues to display the system language.
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