All About Flutter

Introduction Alert Dialogs  are often needed to notify users if they are pressing back button while making payment or deleting/removing any item. So to deal with following events and confirm the users of your app whether they are sure of there decision or not, Alert Dialogs are most important part of our app. Contents Project Setup Code Logic Result Project Setup As a starter project of our app I am providing a very simple ToDo app with Add/Delete Functionality. So if you want to continue with your own code you can or else  here is the code I will proceed. import 'package:flutter/material.dart' ; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { // This widget is the root of your application. @ override Widget build(BuildContext context) { return MaterialApp( title: 'Todo App' , theme: ThemeData( primarySwatch: Colors.blue, ), home: TodoApp(), ); } } ...