That means you haven't added the component as a child of some other component on the stage (like the main app). You have to be on the display list in order to get keystrokes.
________________________________ From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of carlo.cavallieri Sent: Tuesday, March 27, 2007 2:52 PM To: [email protected] Subject: [flexcoders] Re: UIComponent: focus problem? if in my component i add this line of code trace(systemManager) i get "null" > public function Stage() > { > super(); > trace(systemManager); > > } --- In [email protected] <mailto:flexcoders%40yahoogroups.com> , "Alex Harui" <[EMAIL PROTECTED]> wrote: > > You component must implement IFocusManagerComponent if you want it to > receive focus. > > public class Stage extends UIComponent implements IFocusManagerComponent > > If you want to capture all keystrokes, listen to the stage. > > systemManager.stage.addEventListener( KeyboardEvent.KEY_DOWN, onKeyDown > ); > > ________________________________ > > From: [email protected] <mailto:flexcoders%40yahoogroups.com> [mailto:[email protected] <mailto:flexcoders%40yahoogroups.com> ] On > Behalf Of carlo.cavallieri > Sent: Tuesday, March 27, 2007 1:47 PM > To: [email protected] <mailto:flexcoders%40yahoogroups.com> > Subject: [flexcoders] UIComponent: focus problem? > > > > Hi, > > i have a simple "Test Component" that display the key pressed by the > user, but it doesn't log anything > > package > { > import flash.display.*; > import flash.events.*; > import mx.core.*; > > public class Stage extends UIComponent > { > > public function Stage() > { > super(); > > //height = 300; > //width = 400; > > // > // keyboard binding > // > addEventListener( KeyboardEvent.KEY_DOWN, onKeyDown ); > > } > > private function onKeyDown( event:KeyboardEvent ):void > { > trace("Key Code: "+event.keyCode); > } > > } > } > > Where i'm wrong? >
