| --- |
| 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. |
| |
| title: media.seekTo |
| --- |
| |
| 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 |
| ----------- |
| |
| Function `media.seekTo` is an asynchronous function that updates the current position of the underlying audio file of a [Media](media.html) object. Also updates the ___position__ parameter within the [Media](media.html) object. |
| |
| Supported Platforms |
| ------------------- |
| |
| - Android |
| - iOS |
| - Windows Phone 7 ( Mango ) |
| |
| Quick [Example](../storage/storage.opendatabase.html) |
| ------------- |
| |
| // 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](../storage/storage.opendatabase.html) |
| ------------ |
| |
| <!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-1.5.0.js"></script> |
| <script type="text/javascript" charset="utf-8"> |
| |
| // Wait for PhoneGap to load |
| // |
| document.addEventListener("deviceready", onDeviceReady, false); |
| |
| // PhoneGap 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 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> |
