问无法在android应用程序中显示繁体中文

EN

<string-array name="language">
    <item>English</item>
    <item>Chinese Simplified</item>
    <item>Chinese Traditional</item>
</string-array>

<string-array name="language_values">
    <item>en</item>
    <item>zh</item>
    <item>zh-rTW</item>
</string-array>

private String getLanguage(Context c, String defaultLanguage) {
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(c);
        return preferences.getString("language", defaultLanguage);
    }

    @SuppressWarnings("deprecation")
    public void setLanguage(Context context, String languageCode) {
        Locale locale = new Locale(languageCode);
        Locale.setDefault(locale);
        Configuration config = new Configuration();

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            config.setLocale(locale);
        } else {
            config.locale = locale;
        }

        context.getApplicationContext().getResources().updateConfiguration(config, context.getResources().getDisplayMetrics());

        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
        SharedPreferences.Editor editor = preferences.edit();
        editor.putString("language", languageCode);
        editor.apply();

    }