flutter json decode code example

Example 1: read json file flutter

Future<String>_loadFromAsset() async {
  return await rootBundle.loadString("assets/quiz.json");
}

Future parseJson() async {
    String jsonString = await _loadFromAsset();
    final jsonResponse = jsonDecode(jsonString);
}

Example 2: flutter generate json files

flutter packages pub run build_runner build

Example 3: json decode list flutter

Iterable l = json.decode(response.body);
List<Post> posts = List<Post>.from(l.map((model)=> Post.fromJson(model)));