java - Why does changing the in app language work on some devices but not others - Stack Overflow

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I can change the language locale on my Galaxy S23 Ultra, but when I try on my Galaxy A14 5g, the language remains the same. They are both running Android 14. I don't understand what I am doing wrong. Here is the code I am using:

String languageToLoad = "es";
Locale locale = new Locale(languageToLoad);
Locale.setDefault(locale);
Configuration config = new Configuration();
config.locale = locale;

MainActivity.this.getResources().updateConfiguration(config, MainActivity.this.getResources().getDisplayMetrics());

Intent intent = new Intent(MainActivity.this, MainActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);

I've tried changing the xml string file name. It is currently values-es. I've tried changing the bundle language enableSplit to false. These did not work what can I do differently?

I can change the language locale on my Galaxy S23 Ultra, but when I try on my Galaxy A14 5g, the language remains the same. They are both running Android 14. I don't understand what I am doing wrong. Here is the code I am using:

String languageToLoad = "es";
Locale locale = new Locale(languageToLoad);
Locale.setDefault(locale);
Configuration config = new Configuration();
config.locale = locale;

MainActivity.this.getResources().updateConfiguration(config, MainActivity.this.getResources().getDisplayMetrics());

Intent intent = new Intent(MainActivity.this, MainActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);

I've tried changing the xml string file name. It is currently values-es. I've tried changing the bundle language enableSplit to false. These did not work what can I do differently?

• java
• android
• locale

Share Improve this question Follow edited Feb 7 at 9:17 Mark Rotteveel 109k226226 gold badges155155 silver badges219219 bronze badges asked Feb 7 at 4:55 Jeffrey LimaJeffrey Lima 1 New contributor Jeffrey Lima is a new contributor to this site. Take care in asking for clarification, commenting, and answering. Check out our Code of Conduct.

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1 Answer 1

Sorted by: Reset to default 0

From SDK 33 (Tiramisu), instead of using updateConfiguration the recommended way to change language is to use setApplicationLocales():

        LocaleListCompat aLocale = LocaleListCompat.forLanguageTags(locale.getLanguage());
        AppCompatDelegate.setApplicationLocales(aLocale);

It is worth to note that: This API should always be called after Activity.onCreate(), apart from any exceptions explicitly mentioned in this documentation.

Reference: setApplicationLocales

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