In my widget, I subscribed GREEN, YELLOW and BLUE key . Everything is ok, but if I left the widget for a moment (don't press any TV button), and when I came back, I can't use the GREEN and YELLOW key anymore (BLUE key still ok). What is the problem of my widget? and can anyone tell me how to fix it?

<br><br><div class="quote"><div class="quotetop">QUOTE<cite>(Rallypoint Production @ 6 Sep 2011 11:55 PM)</cite></div><blockquote class="quotemain">In my widget, I subscribed GREEN, YELLOW and BLUE key . Everything is ok, but if I left the widget for a moment (don&#39;t press any TV button), and when I came back, I can&#39;t use the GREEN and YELLOW key anymore (BLUE key still ok). What is the problem of my widget? and can anyone tell me how to fix it?</blockquote></div><br><br>I tried turn off ScreenSaver with this code KONtx.HostEventManager.send(&quot;setScreensaver&quot;, false); . It is ok on Simulator, but when I tested on TV, it&#39;s still happen. Is there any suggestion :(