Using NavigationPage produces views likes this:
===== Start of view
<navigation toolbar>
<page content>
===== End of view
I want this (pretty much the same thing as How to create a view above navigation bar or other screen content?):
===== Start of view
<arbitrary VisualElement>
<navigation toolbar>
<page content>
===== End of view
I know this can be done without NavigationPage by using platform-specific navigation controller APIs. However, I would like to use the Xamarin.Forms NavigationPage navigation stack management, meaning that I either need to use NavigationPage or possibly a subclass of NavigationPage.
How can I render a VisualElement before the NavigationPage toolbar?