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Ios swift – How to programmatically remove specific localized language in iOS?

I have localized my app into 4 different languages.
I did’t use String catalog and followed an old Localizable.strings approach.

I want to specify programmatically what languages should be available for the user.
Let’s say I want this kind of a method in my AppDelegate:

func setPreferredLanguages(_ languages: [String]) {
   /// ...
}

So if I call setPreferredLanguages(["en, de"]), user won’t be able to see other than English and German languages in system’s Settings -> My app -> Language(preferred language).

I am searching for a way to "hide" localizations in a runtime.
I need to provide only 2 out of 4 languages to the end user but without actual deleting .lproj files.

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2

Answers


  1. 0

    I think these 2 langs u wanna show should be the local lang of user and also English as additional lang yeah ? But at the same time u should thinking about if the user local lang is already English then u should not showing any lang as additional for selecting right?
    So u may get the device lang and then check if its different then english and show which lang it is and also english at the same time.

    For example;

    import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.

        // Set preferred languages based on device language
        setPreferredLanguages()

        return true
    }

    func setPreferredLanguages() {
        let deviceLanguage = Locale.preferredLanguages.first ?? "en"
        
        if deviceLanguage.starts(with: "en") {
            // Device language is English, so only allow English
            UserDefaults.standard.set(["en"], forKey: "AppleLanguages")
        } else {
            // Device language is not English, allow device language and English
            UserDefaults.standard.set([deviceLanguage, "en"], forKey: "AppleLanguages")
        }

        UserDefaults.standard.synchronize()
    }
}
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  2. 0

    You cannot modify the list of available localisations with code.

    iOS obtains the list of languages shown in Settings -> My app -> Language(preferred language) by reading your app bundle. Your app may not be running and may never have been run before the user accesses these settings.

    You can remove 2 of your localisations without actually deleting the lproj files by excluding them from the target in Xcode.

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