![enter image description here](https://i.stack.imgur.com/nLla7.gif)
class _YourPageState extends State<YourPage> {
Map yourJson = {
"status": true,
"message": "success",
"data": {
"list": [
{"idattribute": "2", "attrName": "BBQ"},
{"idattribute": "1", "attrName": "FRUIT JUICE"}
]
}
};
int _value = 1;
List<DropdownMenuItem<int>> _menuItems;
@override
void initState() {
super.initState();
List dataList = yourJson["data"]["list"];
_menuItems = List.generate(
dataList.length,
(i) => DropdownMenuItem(
value: int.parse(dataList[i]["idattribute"]),
child: Text("${dataList[i]["attrName"]}"),
),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: DropdownButton<int>(
items: _menuItems,
value: _value,
onChanged: (value) => setState(() => _value = value),
),
),
);
}
}
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