Niedziałający KeyListener

public class Framee extends JFrame implements KeyListener{ 
public Framee() {
        setSize(400,200);
	setLayout(null);
	setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	setVisible(false);
	addKeyListener(this);
}
@Override
	public void keyPressed(KeyEvent e) {
		int code = e.getKeyCode();
		if (code == KeyEvent.VK_G) dispose();
		
	}

	@Override
	public void keyReleased(KeyEvent e) {
		int code = e.getKeyCode();
		if (code == KeyEvent.VK_G) dispose();
		
	}

	@Override
	public void keyTyped(KeyEvent e) {
		int code = e.getKeyCode();
		if (code == KeyEvent.VK_G) dispose();
		
	}
}

setVisible(false);