Font Awesome Icon Accordion Xamarin

This sample demonstrates how to use Font Awesome icons inside the headers of a Syncfusion SfAccordion control in Xamarin.Forms. It illustrates a practical pattern where each accordion header displays a text label along with a Font Awesome glyph (as a Button.ImageSource using a FontImageSource).

For background on the Accordion control, see the official user guide:

• Getting started with Xamarin Accordion (SfAccordion)

KB Link: How to use Font Awesome icons in Xamarin.Forms Accordion (SfAccordion)

Overview

The SfAccordion control provides a list of expandable items where each AccordionItem can contain arbitrary Header and Content templates. In this sample the header is built as a simple Grid that contains a text Label and a Button whose ImageSource is a FontImageSource that uses a Font Awesome font family. The BindableLayout.ItemsSource is used to create items from a VM collection (Info). The button is bound to a command on the accordion's BindingContext to toggle a favourite action.

The key points are:

• Use BindableLayout.ItemsSource to bind the accordion to a collection.
• Provide a DataTemplate that defines AccordionItem.Header and AccordionItem.Content.
• Use a FontImageSource inside a Button.ImageSource to render Font Awesome glyphs.
• Reference the accordion's BindingContext for shared commands using Source={x:Reference accordion}.

XAML

The following snippet is taken from the sample MainPage.xaml and shows the essential parts of the header and content templates used in this project.

<ContentPage.BindingContext>
    <local:ItemInfoRepository/>
</ContentPage.BindingContext>

<ContentPage.Resources>
    <ResourceDictionary>
        <OnPlatform x:TypeArguments="x:String" x:Key="FontAwesome">
            <On Platform="Android" Value="FontAwesomeRegular.otf#Regular" />
            <On Platform="iOS" Value="FontAwesome5Free-Regular" />
            <On Platform="UWP" Value="/Assets/FontAwesomeRegular.otf#Font Awesome 5 Free" />
        </OnPlatform>
    </ResourceDictionary>
</ContentPage.Resources>

<ContentPage.Content>
    <accordion:SfAccordion x:Name="accordion" BindableLayout.ItemsSource="{Binding Info}" ExpandMode="SingleOrNone" HeaderIconPosition="Start">
        <BindableLayout.ItemTemplate>
            <DataTemplate>
                <accordion:AccordionItem >
                    <accordion:AccordionItem.Header>
                        <Grid>
                            <Label TextColor="#495F6E" Text="{Binding Name}" VerticalOptions="Center" HorizontalOptions="StartAndExpand" HeightRequest="50" VerticalTextAlignment="Center"/>
                            <Button Grid.Column="1" HeightRequest="50" WidthRequest="50" Command="{Binding Path=BindingContext.FavouriteCommand, Source={x:Reference accordion}}" CommandParameter="{Binding .}" HorizontalOptions="EndAndExpand" VerticalOptions="CenterAndExpand" BackgroundColor="Transparent">
                                <Button.ImageSource>
                                    <FontImageSource Glyph="{Binding FavouriteIcon}" FontFamily="{StaticResource FontAwesome}" Color="#ea2c62" Size="18" />
                                </Button.ImageSource>
                            </Button>
                        </Grid>
                    </accordion:AccordionItem.Header>
                    <accordion:AccordionItem.Content>
                        <Grid BackgroundColor="#e8e8e8" Padding="5,0,0,0">
                            <Label Text="{Binding Description}" VerticalOptions="Center"/>
                        </Grid>
                    </accordion:AccordionItem.Content>
                </accordion:AccordionItem>
            </DataTemplate>
        </BindableLayout.ItemTemplate>
    </accordion:SfAccordion>
</ContentPage.Content>

How it works

• Font registration: the sample expects a Font Awesome font file included in platform projects (for example FontAwesomeRegular.otf in Android/UWP assets and the appropriate iOS registration) and maps it with an OnPlatform resource named FontAwesome.
• Glyph binding: each item in the view-model includes a FavouriteIcon property (a character/glyph string) that the FontImageSource uses as the Glyph to render the icon.
• Commands: the FavouriteCommand is defined on the page/view-model and is referenced from the item template via Source={x:Reference accordion} so the item-level binding can pass itself as CommandParameter.

Conclusion

I hope you enjoyed learning about how to use Font Awesome icons in Xamarin.Forms Accordion (SfAccordion).

You can refer to our Xamarin.Forms Accordion feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our Xamarin.Forms Accordion example to understand how to create and manipulate data.

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