Check out example codes for "getmdl". It will help you in understanding the concepts better.

Code Example 1

<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
<link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.indigo-pink.min.css">
<script defer src="https://code.getmdl.io/1.3.0/material.min.js"></script>

Learn ReactJs, React Native from akashmittal.com