Is it possible to add Common control between Tabbed pages in Xamarin.Forms app?

Hi,

I have app with 8 children content pages inside a Tabbed page. I want to add 2 buttons which are common across all 8 tabbed pages. How can i add?
Below is my code :

<?xml version="1.0" encoding="UTF-8"?>

<TabbedPage.Children>


























</TabbedPage.Children>