MainPage.xaml
=============
<ListView x:Name="listViewPaises" ItemsSource="{Binding Paises}">
</ListView>
MainPage.xaml.cs
================
public partial class MainPage : ContentPage
{
public List<string> Paises { get; set; }
public MainPage()
{
InitializeComponent();
this.Paises = new List<string>
{
"Brasil",
"Argentina",
"Colômbia"
};
this.BindingContext = this;
}
}