index.html

<!DOCTYPE html>

<html>

<head>
	<title>Rotation Api</title>
	<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"/>
	<script src="js/rotate.js"></script>
	<link rel="stylesheet" type="text/css" href="style/style.css">
</head>

<body>
	<div id="rotation_indicator_back"></div>
	<div id="rotation_indicator"></div>
	<div id="degrees" class="label"></div>
	<div id="x" class="label"></div>
	<div id="y" class="label"></div>
	<div id="z" class="label"></div>
</body>

<script type="text/javascript">

var visibilityEvent = 'visibilitychange';
var hiddenProperty = 'hidden';
if (typeof(document.webkitHidden) !== 'undefined') {
	visibilityEvent = 'webkitvisibilitychange';
	hiddenProperty = 'webkitHidden';
} else if (typeof(document.mozHidden) !== 'undefined') {
	visibilityEvent = 'mozvisibilitychange';
	hiddenProperty = 'mozHidden';
}

var myRotateEvent = null;
var rotateOptions = { invert: true } // invert all angles to compensate for device orientation
var rotationIndicator = document.getElementById('rotation_indicator');
var rotationIndicatorBack = document.getElementById('rotation_indicator_back');
var degLabel = document.getElementById('degrees');
var xLabel = document.getElementById('x');
var yLabel = document.getElementById('y');
var zLabel = document.getElementById('z');

function displayRotation(event) {
	var rotXCss = 'rotatex('+ (event.rotation.x) +'deg)';
	var rotYCss = 'rotatey('+ (event.rotation.y) +'deg)';
	var rotZCss = 'rotatez('+ (event.rotation.z) +'deg)';
	
	degLabel.innerHTML = 'Window-Orientation: ' + event.orientation;
	xLabel.innerHTML = 'X: ' + Math.round(event.rotation.x);
	yLabel.innerHTML = 'Y: ' + Math.round(event.rotation.y);
	zLabel.innerHTML = 'Z: ' + Math.round(event.rotation.z);

	rotationIndicator.style.webkitTransform = rotXCss + ' ' + rotYCss + ' ' + rotZCss;
	rotationIndicatorBack.style.webkitTransform = rotXCss + ' ' + rotYCss + ' ' + rotZCss;
	rotationIndicator.style.transform = rotXCss + ' ' + rotYCss + ' ' + rotZCss;
	rotationIndicatorBack.style.transform = rotXCss + ' ' + rotYCss + ' ' + rotZCss;
}

/* Disable listeners for device rotation when the window
or tab is not visible to save power. */
function handleVisibilityChange(event) {
	if (document[hiddenProperty]) {
		myRotateEvent.stop();
	} else {
		myRotateEvent.start(rotateOptions);
	}
}

function init() {
	//create a new instance of rotate.js.
	var myRotateEvent = new Rotate();
	window.addEventListener('rotate', displayRotation);
	myRotateEvent.start(rotateOptions);

	document.addEventListener(visibilityEvent, handleVisibilityChange, false);
}

window.onload = init;

</script>

</html>