stepos01

public class App : Application
{
    // ... bla bla
    
    // when app is launching, we should set its language to previous saved or best for user's system language or default for application
    private void Application_Launching(object sender, LaunchingEventArgs e)
    {
        LocalizationManager.ChangeAppLanguage(LocalizationManager.GetCurrentAppLang());
    }
}