toggle method
void
toggle()
Toggles the visibility of the AbstractTransitionComponent based on the value of AbstractTransitionState.transitionPhase.
Implementation
void toggle() {
if (isOrWillBeShown) {
/// If the [AbstractTransitionComponent] is shown or in the process of showing, hide it.
hide();
} else if (isOrWillBeHidden) {
/// If the [AbstractTransitionComponent] is hidden or in the process of hiding, show it.
show();
}
}