xxxxxxxxxx
Card(
shape: RoundedRectangleBorder(
side: new BorderSide(color: Colors.blue, width: 2.0),
borderRadius: BorderRadius.circular(4.0)),
child: new Padding(
padding: const EdgeInsets.all(4.0),
child: Text("text"),
),
)
xxxxxxxxxx
Card(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(15.0),
),
child: ..
),