There are two sample apps that are designed to show you how to integrate and configure Dotfuscator protection for Xamarin apps.
protected-bugsweeper demonstrates integrating Dotfuscator into the build process for a Xamarin app and then enhancing the protection applied by Dotfuscator. This sample demonstrates protecting a Xamarin app with Tamper Checks and responding to a tampered Android app.
protected-TodoAzureAuth accompanies Detect and Respond to Rooted Android Devices from Xamarin Apps. This sample demonstrates protecting a Xamarin app with Root Checks and the different methods for responding to a rooted Android device.