Broadcasting Events from Custom MXML Components - The [Event] Tag

Okay, this was hard for me to wrap my brain around, so let me summarize, in case anyone else is stuck on this. When developing in Flex, all the standard components let you specify a listener when you create them in MXML, like this:

<mx:Button id="someButton" click="handleClick( event );"/>

Now when someone clicks on someButton, it […]

MXML Singletons in Flex 3

Okay, so I’ve been putting together a little image-viewer component in Flex, and I wanted it to load one data model that all other components would share. Sounds like a job for a Singleton, right? However, I also wanted to instantiate said model from MXML, which adds some kinks. In fact, I’ve heard it said that it’s not possible at all. And after some trial and error, I found that apparently it is possible- you just have to hack around a little bit.