index.js

function doClick(e) {  
    alert('Clicked!');
}

// Remove the event listener like this:
// $.myWidget.off("click", doClick);

$.index.open();

index.xml

<Alloy>
	<Window>
		<Widget id="myWidget" src="my.alloy.widget" doClick="doClick" />
	</Window>
</Alloy>

widget.js

// Overwrite Backbone methods, as used in the generated code by Alloy:
// doClick ? $.__views.myWidget.on("click", doClick) : __defers["$.__views.myWidget!click!doClick"] = !0;
exports.on = $.label.addEventListener;
exports.off = $.label.removeEventListener;

// Overwrite backbone aliasses:
exports.bind = $.label.addEventListener;
exports.unbind = $.label.removeEventListener;

// Support Titanium methods
exports.addEventListener = $.label.addEventListener;
exports.removeEventListener = $.label.removeEventListener;

// Overwrite Backbone trigger and Titanium fireEvent methods for convenience
exports.trigger = $.label.fireEvent;
exports.fireEvent = $.label.fireEvent;

widget.xml

<Alloy>
	<Label>Hello World</Label>
</Alloy>