MainPage.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"
             xmlns:d="http://xamarin.com/schemas/2014/forms/design"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             mc:Ignorable="d"
             xmlns:cntrl="clr-namespace:MaterialChipsDemo"
             x:Class="MaterialChipsDemo.MainPage">

    <StackLayout HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" Spacing="10">
            <cntrl:ChipsControl x:Name="chip"/>
    </StackLayout>

</ContentPage>