title: Flurry banner ad reopen after close
body: <p>My game need to show ADs in specificed sense,so I call Flurry's Api <code>displayAdForSpace</code> ,when exit this sense,I need to close AD banner,I called <code>removeAdFromSpace</code> ,banner disappear.but when I call <code>displayAdForSpace</code> ,AD cannot show . so anyone can help me about this , Thank you!</p>