Home Flutter ListView Flutter ListView Example using Http
Flutter ListView Example using Http
24365onlineservices
00:02
userslist.dart ============= 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 import 'dart:async' ;import 'dart:convert' ;import 'package:flutter/material.dart' ;import 'package:http/http.dart' as http;class UsersList extends StatefulWidget { static String tag = 'users-page' ; @ override State< StatefulWidget> createState() { return new _UsersListState(); } }class _UsersListState extends State< UsersList> { @ override Future< List< User>> _getUsers() as ync { List< User> users = []; var response = await http.get ('https://api.randomuser.me/?results=20' ); var jsonData = JSON.decode(response.body); var usersData = jsonData["results" ]; for (var user in usersData) { User newUser = User(user["name" ]["first" ] + user["name" ]["last" ], user["email" ], user["picture" ]["large" ], user["phone" ]); users.add(newUser); } return users; } Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('Users' , style: TextStyle(color: Colors.white, fontWeight: FontWeight.bold))), body: Container( child: FutureBuilder( future: _getUsers(), builder: (BuildContext context, AsyncSnapshot snapshot) { if (snapshot.data == null ) { return Container( child: Center( child: Text("Loading..." ), ), ); } else { return ListView.builder( itemCount: snapshot.data.length, itemBuilder: (BuildContext context, int index) { return ListTile( onTap: () { Navigator.push( context, new MaterialPageRoute( builder: (context) => UserDetailPage(snapshot.data[index]))); }, title: Text(snapshot.data[index].fullName), subtitle: Text(snapshot.data[index].mobileNumber), leading: CircleAvatar( backgroundImage: NetworkImage(snapshot.data[index].imageUrl)), ); }); } }), ), ); } }class User { final String fullName; final String email; final String imageUrl; final String mobileNumber; User(this .fullName, this .email, this .imageUrl, this .mobileNumber); }class UserDetailPage extends StatelessWidget { final User user; UserDetailPage(this .user); @ override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text(user.fullName), ), ); } }
main.dart ========== 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 import 'package:flutter/material.dart' ;void main() => runApp(MyApp());class MyApp extends StatelessWidget { @ override Widget build(BuildContext context) { return MaterialApp( title: 'Users' , debugShowCheckedModeBanner: false , theme: ThemeData( primarySwatch: Colors.lightBlue ), home: UsersList() ); } }
';
(function() {
var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
})();