AnimateIfVisible constructor
Implementation
const AnimateIfVisible({
@required Key key,
@required this.builder,
this.delay = Duration.zero,
this.duration = const Duration(milliseconds: 250),
this.reAnimateOnVisibility = false,
this.visibleFraction = 0.025,
}) : assert(delay != null),
assert(duration != null),
assert(visibleFraction != null &&
visibleFraction > 0 &&
visibleFraction < 1),
super(key: key);