Example of how to implement Telerik SideDrawer control in Xamarin.Forms applications

LocationPage.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="TrkSideDrawer.Views.LocationPage"
             xmlns:telerikPrimitives="clr-namespace:Telerik.XamarinForms.Primitives;assembly=Telerik.XamarinForms.Primitives">
  
    <ContentPage.ToolbarItems>
        <ToolbarItem Activated="OnToolbarButtonClick"
                     Order="Primary"
                     Priority="0"
                     Text="IsOpen">
            <ToolbarItem.Icon >
                <OnPlatform x:TypeArguments="FileImageSource"
                            Android="hamburgerButtonIcon.png"
                            iOS="hamburgerButtonIcon.png" />
            </ToolbarItem.Icon>
        </ToolbarItem>
    </ContentPage.ToolbarItems>
    <Grid>
        <telerikPrimitives:RadSideDrawer x:Name="drawer" DrawerLength="250" Margin="10,10">
            <telerikPrimitives:RadSideDrawer.MainContent>
                <Grid>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="Auto" />
                        <RowDefinition Height="Auto" />
                        <RowDefinition Height="Auto" />
                        <RowDefinition Height="*" />
                    </Grid.RowDefinitions>
                    <Label Text="Menu Location" />
                    <ListView x:Name="listview" Grid.Row="1" />
                </Grid>
            </telerikPrimitives:RadSideDrawer.MainContent>
            <telerikPrimitives:RadSideDrawer.DrawerContent>
                <Grid BackgroundColor="#826182" WidthRequest="220">
                    <ListView x:Name="drawerList" />
                </Grid>
            </telerikPrimitives:RadSideDrawer.DrawerContent>
        </telerikPrimitives:RadSideDrawer>
    </Grid>

</ContentPage>

LocationPage.xaml.cs

using System;
using System.Linq;
using Xamarin.Forms;
using System.Collections.Generic;
using Telerik.XamarinForms.Primitives.SideDrawer;

namespace TrkSideDrawer.Views
{
    public partial class LocationPage : ContentPage
    {
        public LocationPage()
        {
            InitializeComponent();
            Title = "Location";


            this.drawerList.ItemsSource = new List<string>() { "Home", "Contact", "Messages" };
            var list = Enum.GetValues(typeof(SideDrawerLocation)).OfType<SideDrawerLocation>().ToList();
            this.listview.ItemsSource = list;
            Device.BeginInvokeOnMainThread(() => this.listview.SelectedItem = list[2]);

            this.listview.ItemSelected += listview_ItemSelected;
        }

        void listview_ItemSelected(object sender, SelectedItemChangedEventArgs e)
        {
            if (e.SelectedItem != null)
            {
                drawer.DrawerLocation = (SideDrawerLocation)e.SelectedItem;
            }
        }

        void OnToolbarButtonClick(object sender, EventArgs e)
        {
            drawer.IsOpen = !drawer.IsOpen;
        }
    }
}