Dman_14

Untitled

Jan 20th, 2021
829
Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
  1. import 'package:flutter/material.dart';
  2.  
  3. void main() {
  4.   runApp(MyApp());
  5. }
  6.  
  7. class MyApp extends StatelessWidget {
  8.   @override
  9.   Widget build(BuildContext context) {
  10.     return MaterialApp(
  11.       title: 'Flutter Demo',
  12.       theme: ThemeData(
  13.         primarySwatch: Colors.blue,
  14.         visualDensity: VisualDensity.adaptivePlatformDensity,
  15.       ),
  16.       home: MainPage(),
  17.     );
  18.   }
  19. }
  20.  
  21. class MainPage extends StatefulWidget {
  22.   const MainPage({Key key}) : super(key: key);
  23.  
  24.   @override
  25.   _MainPageState createState() => _MainPageState();
  26. }
  27.  
  28. class _MainPageState extends State<MainPage> {
  29.   bool _confirmed;
  30.  
  31.   @override
  32.   Widget build(BuildContext context) {
  33.     return Scaffold(
  34.       body: Center(
  35.         child: Column(
  36.           mainAxisAlignment: MainAxisAlignment.center,
  37.           children: [
  38.             Text("Confirmation: $_confirmed"),
  39.             SizedBox(height: 48),
  40.             OutlineButton(
  41.               onPressed: () async {
  42.                 bool confirmed = await showDialog<bool>(
  43.                     context: context,
  44.                     builder: (context) => ConfirmationDialog());
  45.  
  46.                 setState(() {
  47.                   _confirmed = confirmed;
  48.                 });
  49.               },
  50.               child: Text("Show Confirm Popup"),
  51.             ),
  52.           ],
  53.         ),
  54.       ),
  55.     );
  56.   }
  57. }
  58.  
  59. class ConfirmationDialog extends StatelessWidget {
  60.   const ConfirmationDialog({Key key}) : super(key: key);
  61.  
  62.   @override
  63.   Widget build(BuildContext context) {
  64.     return AlertDialog(
  65.       title: Text("confirm"),
  66.       content: Text("Do you confirm"),
  67.       actions: [
  68.         TextButton(
  69.             onPressed: () => Navigator.pop(context, true), child: Text("Yes")),
  70.         TextButton(
  71.             onPressed: () => Navigator.pop(context, false), child: Text("No")),
  72.       ],
  73.     );
  74.   }
  75. }
  76.  
RAW Paste Data

Adblocker detected! Please consider disabling it...

We've detected AdBlock Plus or some other adblocking software preventing Pastebin.com from fully loading.

We don't have any obnoxious sound, or popup ads, we actively block these annoying types of ads!

Please add Pastebin.com to your ad blocker whitelist or disable your adblocking software.

×