UWP app UI elements not getting localized

Question

I need to localize my UWP application to German language.I am maintaining two resource files for English and German. I have added a button as follow.

                    <Button
                    x:Name="localizationButton"
                    Width="32"
                    Height="32"
                    Padding="0"
                    Click="SettingsButton1_Click">
                    <Image
                        Margin="4"
                        Source="ms-appx:///Assets/Images/Common/AppBarIcons/LocalisationIcon.png"
                        Stretch="Uniform" />
                    <Button.Flyout>
                        <MenuFlyout x:Name="DropdownFlyout">
                            <MenuFlyoutItem Text="English" Click="MenuFlyoutItem_Click_En" />
                            <MenuFlyoutItem Text="Deutsch " Click="MenuFlyoutItem_Click_De" />
                        </MenuFlyout>
                    </Button.Flyout>
                </Button>

When changing the language to German executes the following method.

private async void MenuFlyoutItem_Click_De(object sender, RoutedEventArgs e)
    {
        Windows.Globalization.ApplicationLanguages.PrimaryLanguageOverride = "de-DE";
        ApplicationData.Current.LocalSettings.Values["LanguagePreference"] = "de-DE";
        ChangeLanguage("de-DE");

        await Task.Delay(100);
        Frame.Navigate(this.GetType());
    }

However it doesn't change the text in the ui elements which used x:Uid and bind the text from resources file.

                                   <TextBlock
                                    HorizontalAlignment="Center"
                                    VerticalAlignment="Center"
                                    FontSize="{StaticResource PrimaryFontSize16}"
                                    FontWeight="SemiBold"
                                    Style="{StaticResource PrimaryTextBlockStyle}"
                                    x:Uid="/Util/Resources/UsernameText"
                                    TextTrimming="CharacterEllipsis"
                                    TextWrapping="NoWrap" />

This is how the above button text refer in resources.resw file.

<data name="UsernameText.Text"
        xml:space="preserve">
<value>Username</value>

it only translates the words which binds from the code behind as below.

 LblLoginSubHeader.Text = ResourceHandler.Get("info_262");

However if I restart the app only all the words(both UI and code behind) get translated to selected language.

How can I fix this.I need to translate the words once the language preference changes from the dropdown,without restarting the app.

I follow the official document Localize the string resources, and I did not reproduce your behavior i.sstatic.net/rscGh.gif . Have you check your default language in Package.appxmanifest? — Junjie Zhu
– Junjie Zhu, Commented Aug 16, 2023 at 4:21
@JunjieZhu-MSFT is your app UI binded using x:Uid and maintaining the texts on resource file? — Piumi ganegoda
– Piumi ganegoda, Commented Aug 16, 2023 at 6:44
Yes, I use x:Uid. Maybe you need to provide more detailed reproduction steps so that we can find the problem for you. The above is my guess, it may be related to the language setting, what is the default language of your project? — Junjie Zhu
– Junjie Zhu, Commented Aug 17, 2023 at 2:24
Could you please tell us about your steps to produce UsernameText? If you follow the official steps, can you reproduce the same problem? — Junjie Zhu
– Junjie Zhu, Commented Aug 23, 2023 at 8:12

mm8 · Accepted Answer · 2023-08-16 14:45:30Z

0

Try to clear the cache before navigating to the page:

Windows.ApplicationModel.Resources.Core.ResourceContext.GetForViewIndependentUse().Reset();  
Windows.ApplicationModel.Resources.Core.ResourceManager.Current.DefaultContext.Reset();
Frame.Navigate(this.GetType());

answered Aug 16, 2023 at 14:45

mm8

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1 Comment

Piumi ganegoda Over a year ago

System.AccessViolationException: 'Attempted to read or write protected memory. This is often an indication that other memory is corrupt.' getting this error when i use the given code

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