<Page.Resources>
        <DataTemplate x:Key="FirstLevelListViewItemTemplate" x:DataType="model:CategoriesItem">
            <Grid>
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto"/>
                    <RowDefinition/>
                </Grid.RowDefinitions>

                <TextBlock Text="{x:Bind CategoryName}" FontSize="28"/>

                <GridView
                    Grid.Row="1"
                    Height="200"
                    ScrollViewer.HorizontalScrollBarVisibility="Hidden"
                    ScrollViewer.HorizontalScrollMode="Enabled"
                    ScrollViewer.VerticalScrollMode="Disabled"
                    ItemsSource="{x:Bind categories, Mode=OneWay}">
                    <GridView.ItemsPanel>
                        <ItemsPanelTemplate>
                            <ItemsWrapGrid Orientation="Vertical"/>
                        </ItemsPanelTemplate>
                    </GridView.ItemsPanel>
                    <GridView.ItemTemplate>
                        <DataTemplate x:DataType="model:CategoryItem">
                            <controls:ImageEx IsCacheEnabled="True" Width="250" Source="{x:Bind cover_image_url}"/>
                        </DataTemplate>
                    </GridView.ItemTemplate>
                </GridView>
            </Grid>
        </DataTemplate>
    </Page.Resources>

    <!--<ScrollViewer>-->
        <ListView x:Name="list"
                    SelectionMode="None"
                    ItemTemplate="{StaticResource FirstLevelListViewItemTemplate}">
    <!--Disable ListView UI virtualization-->
    <ListView.ItemsPanel>
        <ItemsPanelTemplate>
            <StackPanel/>
        </ItemsPanelTemplate>
    </ListView.ItemsPanel>
        </ListView>
    <!--</ScrollViewer>-->

public class CategoriesItem
{
    public string CategoryName { get; set; }
    public List<CategoryItem> categories { get; set; }
}

public class CategoryItem
{
    public string cover_image_url { get; set; }
}

list.ItemsSource = await GetData();

<ListView>
    <ListView.ItemsPanel>
        <ItemsPanelTemplate>
            <StackPanel />

        </ItemsPanelTemplate>
    </ListView.ItemsPanel>
</ListView>