The html code for the button is
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link rel="stylesheet" type="text/css" href="style.css" />
<script type="text/javascript">
function moveToScreenTwo() {
ok.moveToNextScreen();
}
</script>
</head>
<body>
<div>
<input type="button" value="Goto Another Activity" onClick="moveToScreenTwo()" />
<br/>
This is a HTML button loaded from Android webview
</div>
</body>
</html>