Displays blue screen with the Shell in Xamarin forms 4.0. Below is the code AppShell.xaml: <?xml version="1.0" encoding="UTF-8"?> <Shell 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:local="clr-namespace:RidingSolo" Title="RidingSolo" x:Class="RidingSolo.AppShell"> <TabBar> <Tab> <ShellContent> <local:HomePage /> </ShellContent> </Tab> </TabBar> </Shell> HomePage.cs <?xml version="1.0" encoding="UTF-8"?> <t:MenuContainerPage xmlns:t="clr-namespace:SlideOverKit" x:Class="TestApp.HomePage"> <StackLayout> <Label Text="Hello World" /> </StackLayout> </t:MenuContainerPage>