NameScopeBinding.xaml

<Page.Resources>
    <b:NameScopeBinding x:Key="ListView" Source="{Binding ElementName=ListView}" />
</Page.Resources>

<ListView x:Name="ListView"
            SelectionMode="Single"
            IsItemClickEnabled="True" 
            ItemsSource="{Binding Items}">
    <i:Interaction.Triggers>
        <i:EventTrigger EventName="ItemClick">
            <i:InvokeCommandAction Command="{Binding ItemClickedCommand}" 
                                   CommandParameter="{Binding Source.SelectedItem, Source={StaticResource ListView}}" />
        </i:EventTrigger>
    </i:Interaction.Triggers>
</ListView>