Forms9Patch is an enhancement to Xamarin.Forms. As such, first be sure you've met the Xamarin.Forms system requirements.
Forms9Patch requires Xamarin.Forms version 188.8.131.520 or newer.
To use the
background-colorstyle attribute within
Forms9Patch.Label.HtmlTextmarkup text in UWP applications, your UWP applications will need to be built with a minimum Windows version of 10.0.16299.0 (Windows 10 Fall Creators Update).
AS OF VERSION 1.4, THE FOLLOWING IS NO LONGER NECESSARY. To build your Android apps, you will need to add the following to your Android application project's