我想将数据从 sqlite 显示到 SimpleDialog 小部件
showDialog(
context: context,
barrierDismissible: true,
builder: (BuildContext context) {
return SimpleDialog(
title: const Text('Select Category '),
children: <Widget>[
dbHelper.getCategories().then((val) {
for (var item in val) {
SimpleDialogOption(
onPressed: () {
Navigator.pop(context);
},
child: const Text('Food'),
);
}
}),
],
);
});
这样做时,我收到以下错误:
“未来”类型不是“小部件”类型的子类型