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accelerometer.html
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accelerometer.html
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<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1.0, user-scalable=no;" />
<meta http-equiv="Content-type" content="text/html; charset=utf-8"/>
<title>PhoneGap</title>
<link rel="stylesheet" href="master.css" type="text/css" media="screen"/>
<script type="text/javascript">
// provide our own console if it does not exist, huge dev aid!
if(typeof window.console == "undefined")
{
window.console = {log:function(str){window.external.Notify(str);}};
}
// output any errors to console log, created above.
window.onerror=function(e)
{
console.log("window.onerror ::" + JSON.stringify(e));
};
console.log("Installed console ! ");
</script>
<script type="text/javascript" charset="utf-8" src="phonegap-1.3.0.js"></script>
<script type="text/javascript" charset="utf-8">
var deviceReady = false;
function roundNumber(num) {
var dec = 3;
var result = Math.round(num*Math.pow(10,dec))/Math.pow(10,dec);
return result;
}
//-------------------------------------------------------------------------
// Acceleration
//-------------------------------------------------------------------------
var watchAccelId = null;
/**
* Start watching acceleration
*/
var watchAccel = function() {
console.log("watchAccel()");
// Success callback
var success = function (a) {
document.getElementById('x').innerHTML = roundNumber(a.x);
document.getElementById('y').innerHTML = roundNumber(a.y);
document.getElementById('z').innerHTML = roundNumber(a.z);
console.log("watchAccel success callback");
};
// Fail callback
var fail = function(e){
console.log("watchAccel fail callback with error code "+e);
stopAccel();
setAccelStatus(Accelerometer.ERROR_MSG[e]);
};
// Update acceleration every 1 sec
var opt = {};
opt.frequency = 50;
watchAccelId = navigator.accelerometer.watchAcceleration(success, fail, opt);
setAccelStatus("Running");
};
/**
* Stop watching the acceleration
*/
var stopAccel = function() {
console.log("stopAccel()");
setAccelStatus("Stopped");
if (watchAccelId) {
navigator.accelerometer.clearWatch(watchAccelId);
watchAccelId = null;
}
};
/**
* Get current acceleration
*/
var getAccel = function() {
console.log("getAccel()");
// Stop accel if running
//stopAccel();
// Success callback
var success = function (a) {
document.getElementById('x').innerHTML = roundNumber(a.x);
document.getElementById('y').innerHTML = roundNumber(a.y);
document.getElementById('z').innerHTML = roundNumber(a.z);
};
// Fail callback
var fail = function(e){
console.log("getAccel fail callback with error code "+e);
setAccelStatus(Accelerometer.ERROR_MSG[e]);
};
// Make call
var opt = {};
navigator.accelerometer.getCurrentAcceleration(success, fail, opt);
};
/**
* Set accelerometer status
*/
var setAccelStatus = function (status) {
document.getElementById('accel_status').innerHTML = status;
};
/**
* Function called when page has finished loading.
*/
function init() {
document.addEventListener("deviceready", function() {
deviceReady = true;
console.log("Device="+device.platform+" "+device.version);
}, false);
window.setTimeout(function() {
if (!deviceReady) {
alert("Error: PhoneGap did not initialize. Demo will not run correctly.");
}
},1000);
}
</script>
</head>
<body onLoad="init();" id="stage" class="theme">
<h1>Acceleration</h1>
<div id="info">
<div id="accel_status">Stopped</div>
<div><table width="100%">
<tr><td width="20%">X:</td><td id="x"> </td></tr>
<tr><td width="20%">Y:</td><td id="y"> </td></tr>
<tr><td width="20%">Z:</td><td id="z"> </td></tr>
</table></div>
</div>
<h2>Action</h2>
<a href="#" class="btn large" onclick="getAccel();">Get Acceleration</a>
<a href="#" class="btn large" onclick="watchAccel();">Start Watch</a>
<a href="#" class="btn large" onclick="stopAccel();">Clear Watch</a>
<h2> </h2><a href="index.html" class="backBtn">Back</a>
</body>
</html>