license: Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing,
     software distributed under the License is distributed on an
     "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     KIND, either express or implied.  See the License for the
     specific language governing permissions and limitations
     under the License.

media.seekTo

Sets the current position within an audio file.

media.seekTo(milliseconds);

Parameters

  • milliseconds: The position to set the playback position within the audio, in milliseconds.

Description

The media.seekTo executes asynchronously, updating the current playback position within an audio file referenced by a Media object. Also updates the Media object's position parameter.

Supported Platforms

  • Android
  • BlackBerry WebWorks (OS 6.0 and higher)
  • iOS
  • Windows Phone 7 and 8
  • Tizen
  • Windows 8

Quick Example

// Audio player
//
var my_media = new Media(src, onSuccess, onError);
    my_media.play();
// SeekTo to 10 seconds after 5 seconds
setTimeout(function() {
    my_media.seekTo(10000);
}, 5000);

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-x.x.x.js"></script>
        <script type="text/javascript" charset="utf-8">

        // Wait for device API libraries to load
        //
        document.addEventListener("deviceready", onDeviceReady, false);

        // device APIs are available
        //
        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 media position every second
            mediaTimer = setInterval(function() {
                // get 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);
                    }
                );
            }, 1000);

            // SeekTo to 10 seconds after 5 seconds
            setTimeout(function() {
                my_media.seekTo(10000);
            }, 5000);
        }

        // 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="stopAudio();">Stop Playing Audio</a>
        <p id="audio_position"></p>
      </body>
    </html>

BlackBerry WebWorks Quirks

  • Not supported on BlackBerry OS 5 devices.