AlertDialog in Flutter

AlertDialog in Flutter :

This flutter tutorial post is AlertDialog in flutter. That is most important widget.

  • Press Me click open the dialog, display 2 button No, Yes.
    No press – Navigator.pop(context);
    Yes press – Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (context)
  • LoginScreen()));
AlertDialog in Flutter


import 'package:cidade_ativa/screens/login/login_screen.dart';
import 'package:cidade_ativa/tabs/login_screen_1.dart';
import 'package:flutter/material.dart';
import 'package:cidade_ativa/models/user_model.dart';
import 'package:scoped_model/scoped_model.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  Widget build(BuildContext context) {
    return ScopedModel<UserModel>(
      model: UserModel(),
      child: MaterialApp(
          title: "Cidade Ativa",
          theme: ThemeData(
              primaryColor: Color.fromARGB(255, 0, 191, 214)),
          debugShowCheckedModeBanner: false,
          home:  LoginScreen()),          

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