Creates animated transitions for view navigators that modify the opacity of
one or both views in transition. Animates the alpha property of a display
object to make it fade in or out.
Available since 
1.0.0
.See:
Static methods
staticcrossFade (duration:Float = 0.5, ?ease:IEasing, ?interruptBehavior:EffectInterruptBehavior):DisplayObject ‑> DisplayObject ‑> IEffectContext
Creates a transition function for a view navigator that crossfades the
views. In other words, the old view fades out, animating the alpha
property from 1.0 to 0.0. Simultaneously, the new view fades in,
animating its alpha property from 0.0 to 1.0.
Available since 
1.0.0
.