mirror of
https://github.com/apache/cordova-android.git
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129 lines
3.8 KiB
HTML
Executable File
129 lines
3.8 KiB
HTML
Executable File
<!DOCTYPE HTML>
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<html>
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<head>
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<meta name="viewport" content="width=device-width,height=device-height,user-scalable=no,maximum-scale=1.0,initial-scale=1.0" />
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<meta http-equiv="Content-type" content="text/html; charset=utf-8"> <!-- ISO-8859-1 -->
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<title>PhoneGap</title>
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<link rel="stylesheet" href="../master.css" type="text/css" media="screen" title="no title" charset="utf-8">
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<script type="text/javascript" charset="utf-8" src="../phonegap.js"></script>
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<script type="text/javascript" charset="utf-8">
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var deviceReady = false;
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function roundNumber(num) {
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var dec = 3;
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var result = Math.round(num*Math.pow(10,dec))/Math.pow(10,dec);
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return result;
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}
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//-------------------------------------------------------------------------
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// Compass
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//-------------------------------------------------------------------------
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var watchCompassId = null;
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/**
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* Start watching compass
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*/
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var watchCompass = function() {
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console.log("watchCompass()");
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// Success callback
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var success = function(a){
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document.getElementById('compassHeading').innerHTML = roundNumber(a.magneticHeading);
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};
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// Fail callback
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var fail = function(e){
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console.log("watchCompass fail callback with error code "+e);
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stopCompass();
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setCompassStatus(e);
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};
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// Update heading every 1 sec
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var opt = {};
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opt.frequency = 1000;
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watchCompassId = navigator.compass.watchHeading(success, fail, opt);
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setCompassStatus("Running");
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};
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/**
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* Stop watching the acceleration
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*/
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var stopCompass = function() {
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setCompassStatus("Stopped");
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if (watchCompassId) {
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navigator.compass.clearWatch(watchCompassId);
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watchCompassId = null;
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}
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};
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/**
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* Get current compass
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*/
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var getCompass = function() {
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console.log("getCompass()");
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// Stop compass if running
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stopCompass();
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// Success callback
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var success = function(a){
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document.getElementById('compassHeading').innerHTML = roundNumber(a.magneticHeading);
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};
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// Fail callback
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var fail = function(e){
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console.log("getCompass fail callback with error code "+e);
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setCompassStatus(e);
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};
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// Make call
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var opt = {};
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navigator.compass.getCurrentHeading(success, fail, opt);
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};
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/**
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* Set compass status
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*/
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var setCompassStatus = function(status) {
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document.getElementById('compass_status').innerHTML = status;
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};
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/**
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* Function called when page has finished loading.
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*/
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function init() {
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document.addEventListener("deviceready", function() {
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deviceReady = true;
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console.log("Device="+device.platform+" "+device.version);
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}, false);
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window.setTimeout(function() {
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if (!deviceReady) {
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alert("Error: PhoneGap did not initialize. Demo will not run correctly.");
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}
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},1000);
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}
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</script>
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</head>
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<body onload="init();" id="stage" class="theme">
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<h1>Compass</h1>
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<div id="info">
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<b>Status:</b> <span id="compass_status">Stopped</span>
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<table width="100%"><tr>
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<td width="33%">Heading: <span id="compassHeading"> </span></td>
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</tr></table>
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</div>
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<h2>Action</h2>
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<a href="javascript:" class="btn large" onclick="getCompass();">Get Compass</a>
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<a href="javascript:" class="btn large" onclick="watchCompass();">Start Watching Compass</a>
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<a href="javascript:" class="btn large" onclick="stopCompass();">Stop Watching Compass</a>
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<h2> </h2><a href="javascript:" class="backBtn" onclick="backHome();">Back</a>
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</body>
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</html>
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