animateThisView.j

var thisDict;
	thisDict = [CPDictionary dictionaryWithObjectsAndKeys: appLauncherView, 
			CPViewAnimationTargetKey,
			(open) ? CPViewAnimationFadeOutEffect : CPViewAnimationFadeInEffect, 
			CPViewAnimationEffectKey];
	[anims addObject:thisDict];  //BOOL open determines which effect will occur

	animation = [[CPViewAnimation alloc] initWithViewAnimations:anims];

    //[animation setAnimationBlockingMode:CPAnimationBlocking];
    [animation setDuration:1.0]; // default is 0.5 (seconds)
    [animation startAnimation];