How to Programmatically Get Localized Strings from iOS Settings App

Описание: Discover how to efficiently retrieve localized strings used in iOS Settings app without duplicating translations.
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How to Programmatically Get Localized Strings from iOS Settings App

If you’re developing an iOS application, you may want to use localized strings effectively without duplicating your translations across disparate files. A common use case is retrieving localized values from your Settings.bundle that appear in the iOS Settings app. In this post, we will explore how to programmatically access these localized strings, using the example of color settings.

Understanding the Problem

Imagine you have aSettings.bundle which includes various options for the user to choose from, such as color preferences. You have defined these options in a Root.plist file and localized their names in Spanish through a Root.strings file. For example, the English color "Green" is localized as "Verde" in Spanish.

You might retrieve a value from UserDefaults, such as the selected color index (e.g., 1 for Green). However, the challenge lies in obtaining the localized string ("Verde") that corresponds to this selected value programmatically without having to duplicate this localization effort in another file, like Localizable.strings.

Solution: Accessing Localized Strings

Step 1: Locate Your Settings Bundle

To begin, you need to first find the settings bundle in which your localized strings are stored. You do this using the following code:

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This snippet checks your main bundle for the presence of a settings bundle. Once you have located it, you can proceed to access your localized strings.

Step 2: Retrieve the Localized String

Next, you'll want to retrieve the localized string from your Root.strings file using NSLocalizedString() with the correct table name. Here’s how to do it:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Putting It All Together to Get the Localized Color Name

Now, given that you have stored the selected color index in UserDefaults, you can combine the above steps to get the desired localized string based on the user’s choice. If you have an integer value from UserDefaults (like 1 for Green), you can create an array that maps this index to the color names. Here's an example code snippet:

[[See Video to Reveal this Text or Code Snippet]]

Summary

By following the above steps, you can retrieve localized strings that are displayed in the iOS Settings app without duplicating your translations. This method not only keeps your localization process streamlined but also ensures that your app aligns perfectly with localization changes made in the settings.

For any iOS developer, mastering how to fetch and use localized strings programmatically is a valuable skill that enhances user experience by adapting to local languages seamlessly. Happy coding!