Category Archives: JavaScript

YouView – Smart TV UI

YouView is a Smart TV service in the UK, which runs on Set Top Boxes and Smart TVs. I worked on the original UI for years and thought I’d share some insights into best practices for building applications on such resource constrained devices.

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How to use ExternalInterface to integrate AS3 with JavaScript

Here’s a quick snippet of code for setting up intercommunication between a SWF and JavaScript, using ExternalInterface:

import flash.external.ExternalInterface;

// Calling a JavaScript function from AS3 (with optional parameters)
if (ExternalInterface.available) ExternalInterface.call("javascriptFunction", param1, param2);

// Implementing a JavaScript callback in AS3 (flashFunction is called when JavaScript calls javascriptFunction)
if (ExternalInterface.available) ExternalInterface.addCallback("javascriptFunction", flashFunction);