minimize the Height of the BottomAppBar in a universal App

Question

I want to minimize the Height of the BottomAppBar this is my xaml code:

Answer 1

You can set the properties if the MinHeight to be smaller (default is 60) so the white space is removed.

<x:Double x:Key="AppBarExpandButtonThemeHeight">48</x:Double>
<x:Double x:Key="AppBarThemeMinHeight">48</x:Double>