gestures.xaml

<ContentPage.Content>
    <Grid>
        <Grid.GestureRecognizers>
            <PanGestureRecognizer PanUpdated="PanUpdated"/>
        </Grid.GestureRecognizers>
        <AbsoluteLayout HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand">
            <vlc:VideoView x:Name="videoView" MediaPlayer="{Binding MediaPlayer}" 
                            AbsoluteLayout.LayoutBounds="0,0,1,1" 
                            AbsoluteLayout.LayoutFlags="All" 
                            InputTransparent="True"/>
            <Label Text="{Binding Message}" 
                    AbsoluteLayout.LayoutBounds=".5,1,1,.1" 
                    AbsoluteLayout.LayoutFlags="All" 
                    FontSize="20" 
                    LineBreakMode="WordWrap" 
                    TextColor="White" />
        </AbsoluteLayout>
    </Grid>
</ContentPage.Content>