verticalTransition function
Implementation
AnimatedWidget verticalTransition(
BuildContext context,
Animation<double> animation,
Animation<double> secondaryAnimation,
Widget child) {
var begin = Offset(0.0, 1.0);
var end = Offset.zero;
var curve = Curves.ease;
var tween = Tween(begin: begin, end: end).chain(CurveTween(curve: curve));
return SlideTransition(
position: animation.drive(tween),
child: child,
);
}