Gif animation

Hi,
    i keep my appln background by indicating the gif animation running in 
the indicator pane ..it works but ....if i try to open the appln to come to 
foreground...my appln hangs.....how to solve this...
=>>>>>ConstructL() ::
--------------------------------------------------------------------------------
----
 iMyWindowGroup = RWindowGroup(iCoeEnv->WsSession());
 User::LeaveIfError(iMyWindowGroup.Construct((TUint32)&iMyWindowGroup));
 iMyWindowGroup.SetOrdinalPosition(0, ECoeWinPriorityAlwaysAtFront);
 iMyWindowGroup.EnableReceiptOfFocus(EFalse);
 CreateWindowL(&iMyWindowGroup);
 iViewer=CPAlbImageViewerBasic::NewL(this,TRect(TPoint(142,4),TSize(20,20)));
iViewer->SetImageNameAndDisplaymodeL(KGif,EColor4K/*CCoeEnv::Static()->Scr
eenDevice()->DisplayMode()*/); iViewer->SetAnimationObserver(this,ETrue);
SetIndicatorIconL(EIndicatorIconAppActive);-------------------------------------
---------------------=>>>>>>>>SetIndicatorIconL():::::
iViewer->LoadImageL();if(iViewer->IsAnimation())  
iViewer->PlayAnimationL();