media.getCurrentPosition

Returns the current position within an audio file.

media.getCurrentPosition(mediaSuccess, [mediaError]);

Parameters

  • mediaSuccess: The callback that is called with the current position in seconds.
  • mediaError: (Optional) The callback that is called if there was an error.

Description

Function media.getCurrentPosition is an asynchronous function that returns the current position of the underlying audio file of a Media object. Also updates the _position parameter within the Media object.

Supported Platforms

  • Android
  • iOS
  • Windows Phone 7 ( Mango )

Quick Example

    // Audio player
    //
    var my_media = new Media(src, onSuccess, onError);

    // Update media position every second
    var mediaTimer = setInterval(function() {
        // get media position
        my_media.getCurrentPosition(
            // success callback
            function(position) {
                if (position > -1) {
                    console.log((position) + " sec");
                }
            },
            // error callback
            function(e) {
                console.log("Error getting pos=" + e);
            }
        );
    }, 1000);

Full Example

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
                  "http://www.w3.org/TR/html4/strict.dtd">
    <html>
      <head>
        <title>Media Example</title>
    
        <script type="text/javascript" charset="utf-8" src="cordova-1.6.1.js"></script>
        <script type="text/javascript" charset="utf-8">
    
        // Wait for Cordova to load
        //
        document.addEventListener("deviceready", onDeviceReady, false);
    
        // Cordova is ready
        //
        function onDeviceReady() {
            playAudio("http://audio.ibeat.org/content/p1rj1s/p1rj1s_-_rockGuitar.mp3");
        }
    
        // Audio player
        //
        var my_media = null;
        var mediaTimer = null;
    
        // Play audio
        //
        function playAudio(src) {
            // Create Media object from src
            my_media = new Media(src, onSuccess, onError);
    
            // Play audio
            my_media.play();
    
            // Update my_media position every second
            if (mediaTimer == null) {
                mediaTimer = setInterval(function() {
                    // get my_media position
                    my_media.getCurrentPosition(
                        // success callback
                        function(position) {
                            if (position > -1) {
                                setAudioPosition((position) + " sec");
                            }
                        },
                        // error callback
                        function(e) {
                            console.log("Error getting pos=" + e);
                            setAudioPosition("Error: " + e);
                        }
                    );
                }, 1000);
            }
        }
    
        // Pause audio
        // 
        function pauseAudio() {
            if (my_media) {
                my_media.pause();
            }
        }
    
        // Stop audio
        // 
        function stopAudio() {
            if (my_media) {
                my_media.stop();
            }
            clearInterval(mediaTimer);
            mediaTimer = null;
        }
    
        // onSuccess Callback
        //
        function onSuccess() {
            console.log("playAudio():Audio Success");
        }
    
        // onError Callback 
        //
        function onError(error) {
            alert('code: '    + error.code    + '\n' + 
                  'message: ' + error.message + '\n');
        }
    
        // Set audio position
        // 
        function setAudioPosition(position) {
            document.getElementById('audio_position').innerHTML = position;
        }
    
        </script>
      </head>
      <body>
        <a href="#" class="btn large" onclick="playAudio('http://audio.ibeat.org/content/p1rj1s/p1rj1s_-_rockGuitar.mp3');">Play Audio</a>
        <a href="#" class="btn large" onclick="pauseAudio();">Pause Playing Audio</a>
        <a href="#" class="btn large" onclick="stopAudio();">Stop Playing Audio</a>
        <p id="audio_position"></p>
      </body>
    </html>