title: Flutter - what is correct way to invoke custom icon glyph?
body: <p>I have declared a custom icon font in pubspec.yaml (icomoon.ttf).</p>
  
  <p>Flutter's documentation says to invoke an icon, use...</p>
  
  <pre><code>const IconData(
    this.codePoint, {
    this.fontFamily,
  });
  </code></pre>
  
  <p>I have an element with padding that should contain the icon.</p>
  
  <pre><code>new Padding(
    padding: new EdgeInsets.only(top: 2.0),
  
    how to invoke the glyph here? Need to be able to specify font size and 
    color too.
  
  ),
  </code></pre>
  
  <p>What is an example of how I should invoke "icomoon.ttf" glyph "e901" at size 25px with tint "myColor"?</p>