Handling back button on Android

I'm developing an Adobe Air 2.6 app for android tablets (using ActionScript 3.0).

I want to know how can I ha开发者_Python百科ndle user back key press.

I read somewhere there is a specific Adobe Air SDK for Android, but I read it on a forum from 2010.

Any advice?

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        //TODO handle back key press
        return true;
    }
    return super.onKeyDown(keyCode, event);
}//onKeyDown