dependencies:
  spectre_json: ^1.0.0

1import 'package:spectre_json/spectre_json.dart';
2
3class MyJsonEditor extends StatefulWidget {
4  @override
5  _MyJsonEditorState createState() => _MyJsonEditorState();
6}
7
8class _MyJsonEditorState extends State<MyJsonEditor> {
9  String jsonString = '{"name": "John", "age": 30}';
10  
11  @override
12  Widget build(BuildContext context) {
13    return SpectreJsonEditor(
14      initialJson: jsonString,
15      onJsonChanged: (String json) {
16        setState(() {
17          jsonString = json;
18        });
19      },
20      theme: SpectreTheme.dark(),
21    );
22  }
23}