Positioned

class MyStackView extends StatelessWidget {
const MyStackView({super.key});

@override
Widget build(BuildContext context) {
// TODO: implement build
return Container(
width: 300,
height: 330,
color: Colors.red,
child: Stack(
children: [
Positioned( //类似freme设置
left: 10,
bottom: .minPositive,
child:
Container(
color: Colors.yellow,
width: 100,
height: 100,
),
)
],
),
);
}
}