| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta name="viewport" content="width=device-width,height=device-height,user-scalable=no,maximum-scale=1.0,initial-scale=1.0" /> |
| <meta http-equiv="Content-type" content="text/html; charset=utf-8"> <!-- ISO-8859-1 --> |
| <title>Cordova Mobile Spec</title> |
| <link rel="stylesheet" href="../master.css" type="text/css" media="screen" title="no title" charset="utf-8"> |
| <script type="text/javascript" charset="utf-8" src="../cordova.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; |
| } |
| |
| //------------------------------------------------------------------------- |
| // Compass |
| //------------------------------------------------------------------------- |
| var watchCompassId = null; |
| |
| /** |
| * Start watching compass |
| */ |
| var watchCompass = function() { |
| console.log("watchCompass()"); |
| |
| // Success callback |
| var success = function(a){ |
| document.getElementById('compassHeading').innerHTML = roundNumber(a.magneticHeading); |
| }; |
| |
| // Fail callback |
| var fail = function(e){ |
| console.log("watchCompass fail callback with error code "+e); |
| stopCompass(); |
| setCompassStatus(e); |
| }; |
| |
| // Update heading every 1 sec |
| var opt = {}; |
| opt.frequency = 1000; |
| watchCompassId = navigator.compass.watchHeading(success, fail, opt); |
| |
| setCompassStatus("Running"); |
| }; |
| |
| /** |
| * Stop watching the acceleration |
| */ |
| var stopCompass = function() { |
| setCompassStatus("Stopped"); |
| if (watchCompassId) { |
| navigator.compass.clearWatch(watchCompassId); |
| watchCompassId = null; |
| } |
| }; |
| |
| /** |
| * Get current compass |
| */ |
| var getCompass = function() { |
| console.log("getCompass()"); |
| |
| // Stop compass if running |
| stopCompass(); |
| |
| // Success callback |
| var success = function(a){ |
| document.getElementById('compassHeading').innerHTML = roundNumber(a.magneticHeading); |
| }; |
| |
| // Fail callback |
| var fail = function(e){ |
| console.log("getCompass fail callback with error code "+e); |
| setCompassStatus(e); |
| }; |
| |
| // Make call |
| var opt = {}; |
| navigator.compass.getCurrentHeading(success, fail, opt); |
| }; |
| |
| /** |
| * Set compass status |
| */ |
| var setCompassStatus = function(status) { |
| document.getElementById('compass_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: Apache Cordova did not initialize. Demo will not run correctly."); |
| } |
| },1000); |
| } |
| |
| </script> |
| |
| </head> |
| <body onload="init();" id="stage" class="theme"> |
| |
| <h1>Compass</h1> |
| <div id="info"> |
| <b>Status:</b> <span id="compass_status">Stopped</span> |
| <table width="100%"><tr> |
| <td width="33%">Heading: <span id="compassHeading"> </span></td> |
| </tr></table> |
| </div> |
| <h2>Action</h2> |
| <div class="btn large" onclick="getCompass();">Get Compass</div> |
| <div class="btn large" onclick="watchCompass();">Start Watching Compass</div> |
| <div class="btn large" onclick="stopCompass();">Stop Watching Compass</div> |
| <h2> </h2><div class="backBtn" onclick="backHome();">Back</div> |
| </body> |
| </html> |
