expand
@CanIgnoreReturnValue
See expand.
@CanIgnoreReturnValue
Starts an expand animation, if it's not already started, which transitions from the to the expandedView
, e.g., a contextual Toolbar.
Note: If you are using an AppBarLayout in conjunction with the SearchBar, you may pass in a reference to your AppBarLayout so that its visibility and offset can be taken into account for the animation.
Return
whether or not the expand animation was started