build method
Widget that performs animation from bottom to top
Implementation
@override
Widget build(BuildContext context) {
return Container(
padding: index == 0
? const EdgeInsets.only(top: 10)
: const EdgeInsets.only(top: 0),
child: Opacity(
opacity: 1 - value,
child: Transform(
alignment: Alignment.centerLeft,
transform: Matrix4.identity()
..setEntry(3, 2, 0.01)
..rotateY(value * 0.03),
child: child,
),
),
);
}