build method
Widget
build(
- BuildContext context,
- Widget child,
- Animation<
double> animation, - EffectEntry entry,
- Duration totalDuration,
override
Implementation
@override
Widget build(BuildContext context, Widget child, Animation<double> animation,
EffectEntry entry, Duration totalDuration) {
final Animation<double> opacity = buildAnimation(
entry,
begin: begin ?? beginValue,
end: end ?? endValue,
totalDuration)
.animate(animation);
return FadeTransition(opacity: opacity, child: child);
}