<!DOCTYPE html>
<html>
<head>
<title>Acceleration Example</title>
<script type="text/javascript" charset="utf-8" src="cordova-1.8.1.js"></script>
<script type="text/javascript" charset="utf-8">
// The watch id references the current `watchAcceleration`
var watchID = null;
// Wait for device API libraries to load
//
document.addEventListener("deviceready", onDeviceReady, false);
// device APIs are available
//
function onDeviceReady() {
startWatch();
}
// Start watching the acceleration
//
function startWatch() {
// Update acceleration every 1 seconds
var options = { frequency: 1000 };
watchID = navigator.accelerometer.watchAcceleration(onSuccess, onError, options);
}
// Stop watching the acceleration
//
function stopWatch() {
if (watchID) {
navigator.accelerometer.clearWatch(watchID);
watchID = null;
}
}
// onSuccess: Get a snapshot of the current acceleration
//
function onSuccess(acceleration) {
var element = document.getElementById('accelerometer');
element.innerHTML = 'Acceleration X: ' + acceleration.x + '<br />' +
'Acceleration Y: ' + acceleration.y + '<br />' +
'Acceleration Z: ' + acceleration.z + '<br />' +
'Timestamp: ' + acceleration.timestamp + '<br />';
}
// onError: Failed to get the acceleration
//
function onError() {
alert('onError!');
}
</script>
</head>
<body>
<div id="accelerometer">Waiting for accelerometer...</div>
</body>
</html>
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