app.js

var win = Titanium.UI.createWindow();
var imageView = Ti.UI.createImageView({height: Ti.UI.FILL, width: Ti.UI.Fill});
win.add(imageView);
	Titanium.Media.showCamera({

		success:function(event)
		{
			Ti.API.info('#### Camera Success');
			var cropRect = event.cropRect;
			var image = event.media;
			Ti.API.info(image.length);
			var filename = Titanium.Filesystem.tempDirectory + "/"+ 'camera_photo' + new Date().getTime() + ".png";
			Ti.API.info(filename);
			var f = Titanium.Filesystem.getFile(filename);
			Ti.API.info(f.nativePath);
			if (f.exists()) {
				Ti.API.info('The file exist , trying to delete it before using it :' + f.deleteFile());
				f = Titanium.Filesystem.getFile(filename);
			}
			f.write(image);
			alert('Camera Success! The file size is '+f.size+' bytes.\n Now trying to assign it to an image on the screen (this may fail for hi res images)')
			imageView.image = f.nativePath;
		},
		cancel:function()
		
		{
			Ti.API.info('#### Camera Cancel');
		},
		error:function(error)
		{
			// create alert
			Ti.API.info('#### Camera Error');
			var a = Titanium.UI.createAlertDialog({title:'Camera'});

			// set message
			if (error.code == Titanium.Media.NO_CAMERA)
			{
				a.setMessage('Device does not have video recording capabilities');
			}
			else
			{
				a.setMessage('Unexpected error: ' + error.code);
			}

			// show alert
			a.show();
		},
		allowEditing:true
	});
win.open();