cameraでtabを押すと...

gistfile1.js

Ti.Media.showCamera({
        success : function(event) {
            alert('Your photo was saved to the Photo Gallery');
        },
        cancel : function() {
        },
        error : function(error) {
            var message;
            if (error.code == Ti.Media.NO_CAMERA) {
                message = 'Device does not have video recording capabilities';
            } else {
                message = 'Unexpected error: ' + error.code;
            }
                    Ti.UI.createAlertDialog({
                title : 'Camera',
                message : message
            }).show();
        },
        saveToPhotoGallery : true,
        allowEditing : true,
        mediaTypes : [Ti.Media.MEDIA_TYPE_VIDEO,Ti.Media.MEDIA_TYPE_PHOTO]
    });