ActionScript 3.0 :: Flash Keyboard Event Is Not Activated?

Feb 21, 2011

I m creating a project of maze game in which have to use keyboard event. All the coding is done in as3 and i m using swc files in my project. When i published the swf, it shows me intro screen then it goes to game screen when i click on play button. Then the game screen gets loaded (i did addChild for this as i m using swc for each screen). Now the keyboard event should capture when any key is pressed. For this i wrote :

Main.STAGE.addEventListener(KeyboardEvent.KEY_DOWN , pressSpaceBar);
Main.STAGE is a static variable stored in another .as file.

But the event is not firing on loading the game screen. It fires when i click anywhere on screen(screen selection).

Why this is happening ? and why the keyboard event is not firing ?

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