我尝试了一些创意性的东西
Stack(
children: [
_buildIcon(48, Colors.blue),
_buildIcon(44, Colors.white),
],
),
Widget _buildIcon(double size, Color color) {
return Container(
height: 48,
width: 48,
alignment: Alignment.center,
child: Icon(
Icons.star,
color: color,
size: size,
),
);
}