[TIMOB-14396] iOS7: AudioToolbox changes

   var win = Titanium.UI.createWindow();
   
   Ti.Media.requestAuthorization(function(e){
               if (e.success) {
                   startRecorder();
               } else {
                   alert('Access to Recorder is not allowed');
               	var label = Ti.UI.createLabel({
               		text:'Permission to use recorder is denied.'
               	});
               	win.add(label);
               }
   });
   
   function startRecorder(){
   	Titanium.Media.audioSessionMode = Ti.Media.AUDIO_SESSION_MODE_PLAY_AND_RECORD;
   	var recording = Ti.Media.createAudioRecorder();
   
   	// default compression is Ti.Media.AUDIO_FORMAT_LINEAR_PCM
   	// default format is Ti.Media.AUDIO_FILEFORMAT_CAF
   
   	// this will give us a wave file with µLaw compression which
   	// is a generally small size and suitable for telephony recording
   	// for high end quality, you'll want LINEAR PCM - however, that
   	// will result in uncompressed audio and will be very large in size
   	recording.compression = Ti.Media.AUDIO_FORMAT_ULAW;
   	recording.format = Ti.Media.AUDIO_FILEFORMAT_WAVE;
   
   	Ti.Media.addEventListener('recordinginput', function(e) {
   		Ti.API.info('Input availability changed: '+e.available);
   		if (!e.available && recording.recording) {
   			b1.fireEvent('click', {});
   		}
   	});
   
   	var file;
   	var timer;
   	var sound;
   
   
   	var label = Titanium.UI.createLabel({
   		text:'',
   		top:150,
   		color:'#999',
   		textAlign:'center',
   		width:'auto',
   		height:'auto'
   	});
   
   	win.add(label);
   
   	function lineTypeToStr()
   	{
   		var type = Ti.Media.audioLineType;
   		switch(type)
   		{
   			case Ti.Media.AUDIO_HEADSET_INOUT:
   				return "headset";
   			case Ti.Media.AUDIO_RECEIVER_AND_MIC:
   				return "receiver/mic";
   			case Ti.Media.AUDIO_HEADPHONES_AND_MIC:
   				return "headphones/mic";
   			case Ti.Media.AUDIO_HEADPHONES:
   				return "headphones";
   			case Ti.Media.AUDIO_LINEOUT:
   				return "lineout";
   			case Ti.Media.AUDIO_SPEAKER:
   				return "speaker";
   			case Ti.Media.AUDIO_MICROPHONE:
   				return "microphone";
   			case Ti.Media.AUDIO_MUTED:
   				return "silence switch on";
   			case Ti.Media.AUDIO_UNAVAILABLE:
   				return "unavailable";
   			case Ti.Media.AUDIO_UNKNOWN:
   				return "unknown";
   		}
   	}
   
   	var linetype = Titanium.UI.createLabel({
   		text: "audio line type: "+lineTypeToStr(),
   		bottom:20,
   		color:'#999',
   		textAlign:'center',
   		width:'auto',
   		height:'auto'
   	});
   
   	win.add(linetype);
   
   	var volume = Titanium.UI.createLabel({
   		text: "volume: "+Ti.Media.volume,
   		bottom:50,
   		color:'#999',
   		textAlign:'center',
   		width:'auto',
   		height:'auto'
   	});
   
   	win.add(volume);
   
   	Ti.Media.addEventListener('linechange',function(e)
   	{
   		linetype.text = "audio line type: "+lineTypeToStr();
   	});
   
   	Ti.Media.addEventListener('volume',function(e)
   	{
   		volume.text = "volume: "+e.volume;
   	});
   
   	var duration = 0;
   
   	function showLevels()
   	{
   		var peak = Ti.Media.peakMicrophonePower;
   		var avg = Ti.Media.averageMicrophonePower;
   		duration++;
   		label.text = 'duration: '+duration+' seconds\npeak power: '+peak+'\navg power: '+avg;
   	}
   
   	var b1 = Titanium.UI.createButton({
   		title:'Start Recording',
   		width:200,
   		height:40,
   		top:20
   	});
   	b1.addEventListener('click', function()
   	{
   		if (recording.recording)
   		{
   			file = recording.stop();
   			b1.title = "Start Recording";
   			b2.show();
   			pause.hide();
   			clearInterval(timer);
   			Ti.Media.stopMicrophoneMonitor();
   		}
   		else
   		{
   			if (!Ti.Media.canRecord) {
   				Ti.UI.createAlertDialog({
   					title:'Error!',
   					message:'No audio recording hardware is currently connected.'
   				}).show();
   				return;
   			}
   			b1.title = "Stop Recording";
   			recording.start();
   			b2.hide();
   			pause.show();
   			Ti.Media.startMicrophoneMonitor();
   			duration = 0;
   			timer = setInterval(showLevels,1000);
   		}
   	});
   	win.add(b1);
   
   	var pause = Titanium.UI.createButton({
   		title:'Pause recording',
   		width:200,
   		height:40,
   		top:80
   	});
   	win.add(pause);
   	pause.hide();
   
   	pause.addEventListener('click', function() {
   		if (recording.paused) {
   			pause.title = 'Pause recording';
   			recording.resume();
   			timer = setInterval(showLevels,1000);
   		}
   		else {
   			pause.title = 'Unpause recording';
   			recording.pause();
   			clearInterval(timer);
   		}
   	});
   
   	var b2 = Titanium.UI.createButton({
   		title:'Playback Recording',
   		width:200,
   		height:40,
   		top:80
   	});
   
   	win.add(b2);
   	b2.hide();
   	b2.addEventListener('click', function()
   	{
   		if (sound && sound.playing)
   		{
   			sound.stop();
   			sound.release();
   			sound = null;
   			b2.title = 'Playback Recording';
   		}
   		else
   		{
   			Ti.API.info("recording file size: "+file.size);
   			sound = Titanium.Media.createSound({url:file});
   			sound.addEventListener('complete', function()
   			{
   				b2.title = 'Playback Recording';
   			});
   			sound.play();
   			b2.title = 'Stop Playback';
   		}
   	});
   
   	var switchLabel = Titanium.UI.createLabel({
   		text:'Hi-fidelity:',
   		width:'auto',
   		height:'auto',
   		textAlign:'center',
   		color:'#999',
   		bottom:115
   	});
   	var switcher = Titanium.UI.createSwitch({
   		value:false,
   		bottom:80
   	});
   
   	switcher.addEventListener('change',function(e)
   	{
   		if (!switcher.value)
   		{
   			recording.compression = Ti.Media.AUDIO_FORMAT_ULAW;
   		}
   		else
   		{
   			recording.compression = Ti.Media.AUDIO_FORMAT_LINEAR_PCM;
   		}
   	});
   	win.add(switchLabel);
   	win.add(switcher);
   }
   
   win.open();