var win = Ti.UI.createWindow({});
var view = Ti.UI.createView({});

var button = Ti.UI.createButton({
    color : '#000000',
    title : "Add photo",
    height : 'auto',
    width : 'auto'
});
view.add(button);

button.addEventListener('click', function(e) {
    showCamera();
});

function showCamera() {
    Titanium.Media.showCamera({
        showControls : true,
        mediaTypes : [Ti.Media.MEDIA_TYPE_PHOTO],
        autorotate : true,
        success : function(event) {
        },
        error : function(error) {
        },
        cancel : function() {
        }
    });
}

win.add(view);
win.open();