Music is not playing - Attempt to call getDuration without a valid mediaplayer
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Aritz Madariaga
May 31, 2012, 12:27:56 PM5/31/12
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Im trying to play a sound on my phonegap based app but im getting this error:
05-31 18:23:00.898: E/MediaPlayer(8984): error (1, -2147483648)
05-31 18:23:00.918: I/GATE(8984): <GATE-M>DEV_ACTION_COMPLETED</GATE-M>
05-31 18:23:00.923: E/MediaPlayer(8984): Error (1,-2147483648)
05-31 18:23:00.933: E/MediaPlayer(8984): error (1, -2147483648)
05-31 18:23:00.933: E/MediaPlayer(8984): Error (1,-2147483648)
05-31 18:23:00.938: E/MediaPlayer(8984): Attempt to call getDuration without a valid mediaplayer
05-31 18:23:00.938: E/MediaPlayer(8984): error (-38, 0)
05-31 18:23:00.938: E/MediaPlayer(8984): Attempt to call getDuration without a valid mediaplayer
05-31 18:23:00.938: E/MediaPlayer(8984): Error (-38,0)
05-31 18:23:00.938: E/MediaPlayer(8984): Attempt to call getDuration without a valid mediaplayer
05-31 18:23:00.938: E/MediaPlayer(8984): Attempt to call getDuration without a valid mediaplayer
Simon MacDonald
May 31, 2012, 2:43:14 PM5/31/12
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Show your code.
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Aritz Madariaga
Jun 1, 2012, 6:34:23 AM6/1/12
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Im using lungo.js framework + phonegap
El jueves, 31 de mayo de 2012 20:43:14 UTC+2, Simon escribió:
The framework sound js is this:
/**
* Player audio files (.mp3, .wav and .ogg)
*
* @namespace LUNGO.Sugar
* @class Sound
*
*/
LUNGO.Sugar.Sound = (function(lng, undefined) {
var _background = document.createElement('audio');
var _sound = document.createElement('audio');
/**
* Plays music in background with automatic rewind.
*
* @method background
*
* @param {string} Source of sound file
*/
var background = function(source) {
if (source) {
_setSourceAndPlay(_background, source);
_background.addEventListener('ended', function(){
this.currentTime = 0;
}, false);
}
else {
_background.pause();
}
};
/**
* Play a given sound
*
* @method play
*
* @param {string} Source of sound file
*/
var play = function(source) {
_setSourceAndPlay(_sound, source);
};
_setSourceAndPlay = function(container, source) {
container.setAttribute('src', source);
};
return {
background: background,
play: play
}
})(LUNGO);
The javascript code is:
Game.Sound = (function(lng, undefined) {
var RESOURCES = {
BACKGROUND: 'assets/audio/background.mp3',
BUTTON: '',
WIN: ''
};
var _active = true;
toggle = function() {
if (_active) {
off();
} else {
on();
}
};
on = function() {
lng.Sugar.Sound.background(RESOURCES.BACKGROUND);
_active = true;
_visibility();
};
off = function() {
lng.Sugar.Sound.background(null);
_active = false;
_visibility();
};
button = function() {
_play(RESOURCES.BUTTON)
};
win = function() {
_play(RESOURCES.WIN);
};
_play = function(resource) {
if (_active) {
lng.Sugar.Sound.play(resource);
}
};
_visibility = function() {
var el = lng.dom('a[data-control=sound]');
if (_active) {
el.removeClass('red').children('.icon').removeClass('bell-off').addClass('bell-on');
} else {
el.addClass('red').children('.icon').removeClass('bell-on').addClass('bell-off');
}
}
return {
on: on,
off: off,
toggle: toggle,
button: button,
win: win
}
})(LUNGO);
Show your code.
On Thu, May 31, 2012 at 12:27 PM, Aritz Madariaga <eife...@gmail.com> wrote:
Im trying to play a sound on my phonegap based app but im getting this error:05-31 18:23:00.898: E/MediaPlayer(8984): error (1, -2147483648)05-31 18:23:00.918: I/GATE(8984): <GATE-M>DEV_ACTION_COMPLETED</GATE-M>05-31 18:23:00.923: E/MediaPlayer(8984): Error (1,-2147483648)05-31 18:23:00.933: E/MediaPlayer(8984): error (1, -2147483648)05-31 18:23:00.933: E/MediaPlayer(8984): Error (1,-2147483648)05-31 18:23:00.938: E/MediaPlayer(8984): Attempt to call getDuration without a valid mediaplayer05-31 18:23:00.938: E/MediaPlayer(8984): error (-38, 0)05-31 18:23:00.938: E/MediaPlayer(8984): Attempt to call getDuration without a valid mediaplayer05-31 18:23:00.938: E/MediaPlayer(8984): Error (-38,0)05-31 18:23:00.938: E/MediaPlayer(8984): Attempt to call getDuration without a valid mediaplayer05-31 18:23:00.938: E/MediaPlayer(8984): Attempt to call getDuration without a valid mediaplayer
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Simon MacDonald
Jun 1, 2012, 8:44:10 AM6/1/12
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Right, you are not using the PhoneGap Media API to play your sound so this is not a PhoneGap problem. I've looked at Sugar.Sound and it uses "audio" tags to play audio. Unfortunately, audio tag support on the Android WebView is pretty poor. I've been trying to monkey patch it with my Corinthian project.
In the meantime you should stick with the Media API if you want to play a sound.
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