Get a list of locales that you've created

Verification environment

Windows

• Windows 11

Unity Editor

• 2021.3.12f1

Input System (Unity Technologies)

• 1.4.4

Localization (Unity Technologies)

• 1.3.2

Prerequisites for this tip

The following settings have been made in advance as a premise for the description of this tip.

• Introducing the Input System Package
• Align the camera (2D) with the canvas

Goals of our tips

Displays a list of corresponding locales in the drop-down UI and toggles the display text to match the locale selected by the user.

Prerequisite knowledge and preparation

This tip assumes localization of the following text: First, please refer to the following tips to prepare to display localized text.

• Switching the text of a text object to match the environment in which the text is multilingually supported

Locale change drop-down placement

Provides a drop-down to display a list of locales. You only need to be able to display and select, so make sure that the UI parameters are set appropriately.

Get a list of locales

You can get a list of locales LocalizationSettings.AvailableLocales.Locales created in . If you use this and set it to the drop-down at the start of the scene, you are OK. However, initialization may not have completed when Localization you start the game, so you may need to wait for it to complete.

First, create a script. DropDownEvent Leave the name as .

The script looks like this:

using UnityEngine;
using UnityEngine.Localization.Settings;
using UnityEngine.UI;

public class DropDownEvent : MonoBehaviour
{
  // 最初のフレームアップデートの前に開始が呼び出されます
  async void Start()
  {
    // Localization の初期化が完了するまで待機します
    await LocalizationSettings.InitializationOperation.Task;

    // 処理対象の Dropdown コンポーネントを取得します
    var dropdownLocale = GetComponent<Dropdown>();
    dropdownLocale.options.Clear();

    // LocalizationSettings.AvailableLocales.Locales からロケール一覧を取得してオプションを追加します
    foreach (var locale in LocalizationSettings.AvailableLocales.Locales)
    {
      dropdownLocale.options.Add(new Dropdown.OptionData(locale.name));
    }

    // 初期選択されているロケールのインデックスを取得して選択します
    dropdownLocale.value = LocalizationSettings.AvailableLocales.Locales.IndexOf(LocalizationSettings.SelectedLocale);

    // ドロップダウンのアイテムが選択されたときにロケールを変更します
    dropdownLocale.onValueChanged.AddListener((index) =>
    {
      LocalizationSettings.SelectedLocale = LocalizationSettings.AvailableLocales.Locales[index];
    });
  }
}

Start The method performs processing at the start of the scene, but at this point Localization , the initialization of may not have been completed. await LocalizationSettings.InitializationOperation.Task Wait for initialization to complete. await , so Start please add it to the async method.

LocalizationSettings.AvailableLocales.Locales Next, contains a list of locales that you created, so foreach process as many locales as you want. Dropdown.OptionData Set Dropdown the locale name to and add it to .

To select Dropdown.value the current locale in the drop-down, search for the target locale in the property and set the index.

This is the end of creating the list, but I also want to include a process that changes the locale when the drop-down item is selected. onValueChanged Adds locale switching to the event. This is the same as the previous tip.

Attach the script you created to the dropdown.

Run and verify

Try running the game to check it out. There is a time when the locale list is not set immediately after the game starts, Localization because is not initialized.

After a little time, you should be able to see the list of locales registered in the dropdown. If you try switching items, you should be able to see that the content of the text changes.