我有三个切换按钮在我的网页。当我单击其中一个切换按钮时，它保持不变。
class EditInvoiceDetailsScreen extends HookWidget {
final Invoice invoice;
EditInvoiceDetailsScreen(this.invoice, {super.key});
@override
Widget build(BuildContext context) {
final isSelected = useState(<bool>[true, false, false]);
return Scaffold(
body: _showBody(context, isSelected),
appBar: AppBar(
iconTheme: const IconThemeData(color: Colors.white),
backgroundColor: AppTheme.light.colorScheme.primary,
title: Text(
'edit'.tr(),
style: const TextStyle(color: Colors.white),
)),
);
}
Widget _showBody(BuildContext context, ValueNotifier<List<bool>> isSelected) {
return _step2Body(context, isSelected);
}
Widget _step2Body(BuildContext context, ValueNotifier<List<bool>> isSelect) {
return ToggleButtons(
onPressed: (newIndex) {
for (int i = 0; i < isSelect.value.length; i++) {
isSelect.value[i] = i == newIndex;
}
},
// list of booleans
borderRadius: const BorderRadius.all(Radius.circular(8)),
selectedBorderColor: Colors.red[700],
selectedColor: Colors.white,
fillColor: Colors.red[200],
color: Colors.red[400],
constraints: const BoxConstraints(
minHeight: 40.0,
minWidth: 80.0,
),
isSelected: isSelect.value,
// if consistency is needed for all text style
textStyle: const TextStyle(fontWeight: FontWeight.bold),
// border properties for each toggle
renderBorder: true,
borderColor: Colors.black,
borderWidth: 1.5,
children: const [
Padding(
padding: EdgeInsets.symmetric(horizontal: 12),
child: Text('MALE', style: TextStyle(fontSize: 18)),
),
Padding(
padding: EdgeInsets.symmetric(horizontal: 12),
child: Text('FEMALE', style: TextStyle(fontSize: 18)),
),
Padding(
padding: EdgeInsets.symmetric(horizontal: 12),
child: Text('OTHER', style: TextStyle(fontSize: 18)),
),
],
);
}
1条答案
按热度按时间bvpmtnay1#
代码中的几个错误：
final isSelected = useState(<bool>[true, false, false]);//这里的useState是什么？isSelected: isSelect.value,//应为isSelected：isSelect，isSelect.value[i] = i == newIndex;//应该是isSelect[i] = i == newIndex;1.您错过了禁用的颜色值
disabledColor: Colors.black,disabledBorderColor: Colors.grey,下面是修改后的代码：