This is the code I have written to create the Master Detail Page:
Please check it out
<?xml version="1.0" encoding="utf-8" ?>
<MasterDetailPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="DemoApp.MenuPage" xmlns:local="clr-namespace:DemoApp.Views" MasterBehavior="Default">
<MasterDetailPage.Master>
<ContentPage Title="MenuPage" Icon="menuIcon.png" Padding="0,50,0,0">
<ContentPage.Content>
<StackLayout VerticalOptions="Start">
<Button Text="Home" />
<Button Text="Login" />
<Button Text="Logout" />
<Button Text="Exit" />
</StackLayout>
</ContentPage.Content>
</ContentPage>
</MasterDetailPage.Master>
<MasterDetailPage.Detail>
<local:Login/>
</MasterDetailPage.Detail>
</MasterDetailPage>