We can do it with context config and it will work from API +17 like:
public static String getDefaultString(Context context, @StringRes int stringId){
Resources resources = context.getResources();
Configuration configuration = new Configuration(resources.getConfiguration());
Locale defaultLocale = new Locale("en"); // default locale
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
LocaleList localeList = new LocaleList(defaultLocale);
configuration.setLocales(localeList);
return context.createConfigurationContext(configuration).getString(stringId);
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1){
configuration.setLocale(defaultLocale);
return context.createConfigurationContext(configuration).getString(stringId);
}
return context.getString(stringId);
}
For earlier versions of Android, you could use something like that:
public static String getDefaultString(Context context, @StringRes int stringId){
Resources resources = context.getResources();
Locale defaultLocale = new Locale("en");// default locale
configuration.locale = newLocale;
resources.updateConfiguration(configuration, res.getDisplayMetrics());
return resources.getString();
}
But I guess it can change the current context in the app. And if you don't use the default language in the app, there will be a problem with localization.