Titanium Play Sound.

app.js

Titanium.UI.setBackgroundColor('#000');

// ウィンドウ作成
var win = Titanium.UI.createWindow({  
    title:'サウンドテスト',
    backgroundColor:'#fff',
    barColor:'#3366ff'
});

var button = Ti.UI.createButton({
	title:'load',
	width:200,
	height:40,
	bottom:20
});

var soundFile = Ti.Media.createSound({
	
	url:'bell.wav'
});
var soundIsReady = false;
button.enabled = false;
soundFile.volume = 0.0;
soundFile.play();
button.addEventListener( 'click' , function(){
	
	if( soundIsReady == false )
		return;
	if( soundFile.isPlaying ) {
		soundFile.stop();
	}
	Ti.API.log( 'Sound play' );
	soundFile.play();
} );

soundFile.addEventListener( 'complete' , function(){
	
	Ti.API.log( 'complete' );
	if( soundIsReady == false ) {
		soundIsReady = true;
		soundFile.volume = 1.0;
		button.enabled = true;
		button.title = 'Play';
	} 
} );

win.add( button );

win.open();