jsonEncode(options) after toJson() implementation I/flutter(27115):{"key":"Less than 7hrs","point":"2","checked":true} Wow! we got it! right!! How to convert List of Nested object to JSON string ? Class with list of nested object Here, you can see the Task class has the List ...
import 'dart:convert'; void main(){ var json = '[{"group":"A","person":[{"name":"John","age":18},{"name":"Jack","age":21}]},{"group":"B","person":[{"name":"Oliver","age":24}]},{"group":"C","person":null}]'; final data = dataFromJson(json); data.forEach(...
Add the GeoJSON file for the shape layer. Here, we are going to render the USA map. Get thisusa.jsonfile and add it to theassetsfolder and in the pubspec.yaml file of your application. The actual geographical rendering is done in eachMapShapeLayermethod using the delegate proper...
There is much to cover, so I'll break this into two articles. In this first article, we'll learn how to generate providers from functions using the new @riverpod syntax. As part of this, I'll show you how to: declare providers with the @riverpod syntax convert FutureProvider to the ...
We need to import some libraries for some helper functions. import 'dart:convert'; import 'dart:async'; import 'package:http/http.dart'as http; Let’s create a class call Hero. This class takes in an integer for id and string as name. ...
flutter: sdk: flutter intl: ^0.18.0 http: ^0.13.5 image_picker: ^0.8.2 Step:- 2 Add API endPoint in yourApiClientclass. class ApiClient { static final String BASE_URL = "https://codeplayon.com/v1/"; static String UpdateProfile = BASE_URL + "/users/profileUpdate"; ...
import 'package:flutter/foundation.dart'; class Post { final int userId; final int id; final String title; final String body; Post({ @required this.userId, @required this.id, @required this.title, @required this.body, }); factory Post.fromJson(Map<String, dynamic> json) { ...
dependencies:flutter:sdk:flutterhttp:0.13.3 Copy Now, openmain.dartin your code editor and modify the following lines of code to display aGet Countrybutton: lib/main.dart import 'package:flutter/material.dart';import 'package:http/http.dart' as http;import 'dart:convert';void main() { ...
Step 3: Choose How to Convert: Choose a particular method through which you can turn your WordPress site into an app: Either start from scratch using Flutter, which has its benefits like total control but time time-consuming. Or, You can use special plugins to speed up the process by inte...
// MARK: - ResourceObserver extension RestaurantListViewController: ResourceObserver { func resourceChanged(_ resource: Resource, event: ResourceEvent) { restaurants = resource.jsonDict["businesses"] as? [[String: Any]] ?? [] } } Any object that conforms to the ResourceObserver protocol will ...