Thanood/app.html

## app.html
<template>
  <div class="collapsible-basic-use">
    <ul md-collapsible md-collapsible.ref="collapsible">
      <li>
        <div class="collapsible-header"><i class="mdi-image-filter-drama"></i>First</div>
        <div class="collapsible-body"><p>Lorem ipsum dolor sit amet.</p></div>
      </li>
      <li>
        <div class="collapsible-header"><i class="mdi-maps-place"></i>Second</div>
        <div class="collapsible-body"><p>Lorem ipsum dolor sit amet.</p></div>
      </li>
    </ul>
  </div>
  <!--<div>
    <button md-button click.delegate="openFirst()">open first</button>
  </div>-->
</template>

## app.js
export class App {
  openFirst() {
    this.collapsible.open();
  }
}

## index.html
<!doctype html>
<html>
  <head>
    <title>Aurelia</title>
    <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
    <meta name="viewport" content="width=device-width, initial-scale=1">
  </head>
  <body aurelia-app="main">
    <h1>Loading...</h1>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.6/system.js"></script>
    <script src="https://rawgit.com/aurelia-ui-toolkits/aurelia-materialize-bundles/0.20.2/config2.js"></script>
    <script>
      System.import('aurelia-bootstrapper');
    </script>
  </body>
</html>

## main.js
/*******************************************************************************
 * The following two lines enable async/await without using babel's
 * "runtime" transformer. Uncomment the lines if you intend to use async/await.
 *
 * More info here:  https://github.com/jdanyow/aurelia-plunker/issues/2
 */
//import regeneratorRuntime from 'babel-runtime/regenerator';
//window.regeneratorRuntime = regeneratorRuntime;
/******************************************************************************/

import 'materialize';

export function configure(aurelia) {
  aurelia.use
    .standardConfiguration()
    .developmentLogging()
    .plugin('aurelia-materialize-bridge', bridge => bridge.useAll() );

  aurelia.start().then(a => a.setRoot());
}
	<template>
	<div class="collapsible-basic-use">
	<ul md-collapsible md-collapsible.ref="collapsible">
	<li>
	<div class="collapsible-header"><i class="mdi-image-filter-drama"></i>First</div>
	<div class="collapsible-body"><p>Lorem ipsum dolor sit amet.</p></div>
	</li>
	<li>
	<div class="collapsible-header"><i class="mdi-maps-place"></i>Second</div>
	<div class="collapsible-body"><p>Lorem ipsum dolor sit amet.</p></div>
	</li>
	</ul>
	</div>
	<!--<div>
	<button md-button click.delegate="openFirst()">open first</button>
	</div>-->
	</template>
	<!doctype html>
	<html>
	<head>
	<title>Aurelia</title>
	<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	</head>
	<body aurelia-app="main">
	<h1>Loading...</h1>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.6/system.js"></script>
	<script src="https://rawgit.com/aurelia-ui-toolkits/aurelia-materialize-bundles/0.20.2/config2.js"></script>
	<script>
	System.import('aurelia-bootstrapper');
	</script>
	</body>
	</html>
	/*******************************************************************************
	* The following two lines enable async/await without using babel's
	* "runtime" transformer. Uncomment the lines if you intend to use async/await.
	*
	* More info here: https://github.com/jdanyow/aurelia-plunker/issues/2
	*/
	//import regeneratorRuntime from 'babel-runtime/regenerator';
	//window.regeneratorRuntime = regeneratorRuntime;
	/******************************************************************************/

	import 'materialize';

	export function configure(aurelia) {
	aurelia.use
	.standardConfiguration()
	.developmentLogging()
	.plugin('aurelia-materialize-bridge', bridge => bridge.useAll() );

	aurelia.start().then(a => a.setRoot());
	}