Container(
child: Radio<String>(
value: "男",
activeColor: Colors.red,//激活時的顏色
groupValue: _newValue,//選中的值
onChanged: (value) {
setState(() {
_newValue = value;
});
}
),
),
Text('男'),
Container(
child: Radio<String>(
value: "女",
groupValue: _newValue,
onChanged: (value) {
setState(() {
_newValue = value;
});
}
),
),
Text('女'),