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);
}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);
}json file reader flutter
import 'package:flutter/material.dart';
import 'dart:convert';
import 'package:flutter/services.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
// Hide the debug banner
debugShowCheckedModeBanner: false,
title: 'Kindacode.com',
home: HomePage(),
);
}
}
class HomePage extends StatefulWidget {
@override
_HomePageState createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
List _items = [];
// Fetch content from the json file
Future<void> readJson() async {
final String response = await rootBundle.loadString('assets/sample.json');
final data = await json.decode(response);
setState(() {
_items = data["items"];
});
}
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
centerTitle: true,
title: Text(
'Kindacode.com',
),
),
body: Padding(
padding: const EdgeInsets.all(25),
child: Column(
children: [
ElevatedButton(
child: Text('Load Data'),
onPressed: readJson,
),
// Display the data loaded from sample.json
_items.length > 0
? Expanded(
child: ListView.builder(
itemCount: _items.length,
itemBuilder: (context, index) {
return Card(
margin: EdgeInsets.all(10),
child: ListTile(
leading: Text(_items[index]["id"]),
title: Text(_items[index]["name"]),
subtitle: Text(_items[index]["description"]),
),
);
},
),
)
: Container()
],
),
),
);
}
}Copyright © 2021 Codeinu
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