HeaderFooterXaml.xaml

<?xml version="1.0" encoding="UTF-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms" 
			 xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" 
			 x:Class="WorkingWithListview.HeaderFooterXaml"
			 Padding="0,20,0,0">

<!-- Using binding to the page's datacontext -->
<ListView x:Name="listView" 
	ItemsSource="{Binding Monkeys}" 
	Header="{Binding Intro}"
	Footer="{Binding Summary}">
	<ListView.HeaderTemplate >
      <DataTemplate>
        <StackLayout Orientation="Horizontal" 
        	Padding="10,5,5,10"
        	BackgroundColor="Yellow">
          <Label Text="~~"/>
          <Label Text="{Binding .}"/>
          <Label Text="~~"/>
        </StackLayout>
      </DataTemplate>
    </ListView.HeaderTemplate>
	<ListView.ItemTemplate>
		<DataTemplate>
			<TextCell Text="{Binding Name}" Detail="{Binding Description}"></TextCell>
		</DataTemplate>
	</ListView.ItemTemplate>
</ListView>

<!-- You don't have to use data-binding, you can set the Header property like this -->
<!--
<ListView x:Name="listView"
	Header="Textonly header"
	Footer="Textonly footer">
	...
-->

<!-- Alternatively, you can use a XAML template set on ListView.Header BUT no binding is supported -->
<!--
<ListView x:Name="listView">
	<ListView.Header>
		<StackLayout Orientation="Horizontal" BackgroundColor="Yellow">
          <Label Text="~~"/>
          <Label Text="Monkey Header"/>
          <Label Text="~~"/>
        </StackLayout>
    </ListView.Header>
    ...
-->

</ContentPage>