FavFighters.xaml

<DataTemplate x:Key="MessageTemplate">
  <SwipeView
      HeightRequest="110">
      <SwipeView.RightItems>
          <SwipeItems
              Mode="Reveal">
              <SwipeItemView>
                  <Grid
                      WidthRequest="120"
                      BackgroundColor="{StaticResource BackgroundColor}">
                      <BoxView
                          Style="{StaticResource SwipeItemBorderStyle}"/>
                      <Image
                          Source="star.png"
                          Style="{StaticResource SwipeItemIconStyle}"/>
                      <Label                                         
                          Text="Favourite"
                          Style="{StaticResource SwipeItemTextStyle}"/>
                  </Grid>
              </SwipeItemView>
          </SwipeItems>
      </SwipeView.RightItems>

    <!-- ... -->