|
1 | 1 | import 'package:flutter/material.dart';
|
| 2 | +import 'package:autocomplete_textfield/autocomplete_textfield.dart'; |
2 | 3 |
|
3 | 4 | void main() => runApp(new MyApp());
|
4 | 5 |
|
5 | 6 | class MyApp extends StatelessWidget {
|
6 |
| - // This widget is the root of your application. |
7 | 7 | @override
|
8 | 8 | Widget build(BuildContext context) {
|
9 | 9 | return new MaterialApp(
|
10 |
| - title: 'Flutter Demo', |
| 10 | + title: 'Auto Complete TextField Demo', |
11 | 11 | theme: new ThemeData(
|
12 |
| - // This is the theme of your application. |
13 |
| - // |
14 |
| - // Try running your application with "flutter run". You'll see the |
15 |
| - // application has a blue toolbar. Then, without quitting the app, try |
16 |
| - // changing the primarySwatch below to Colors.green and then invoke |
17 |
| - // "hot reload" (press "r" in the console where you ran "flutter run", |
18 |
| - // or press Run > Flutter Hot Reload in IntelliJ). Notice that the |
19 |
| - // counter didn't reset back to zero; the application is not restarted. |
20 | 12 | primarySwatch: Colors.blue,
|
21 | 13 | ),
|
22 |
| - home: new MyHomePage(title: 'Flutter Demo Home Page'), |
| 14 | + home: new MyHomePage(), |
23 | 15 | );
|
24 | 16 | }
|
25 | 17 | }
|
26 | 18 |
|
27 | 19 | class MyHomePage extends StatefulWidget {
|
28 |
| - MyHomePage({Key key, this.title}) : super(key: key); |
29 |
| - |
30 |
| - // This widget is the home page of your application. It is stateful, meaning |
31 |
| - // that it has a State object (defined below) that contains fields that affect |
32 |
| - // how it looks. |
33 |
| - |
34 |
| - // This class is the configuration for the state. It holds the values (in this |
35 |
| - // case the title) provided by the parent (in this case the App widget) and |
36 |
| - // used by the build method of the State. Fields in a Widget subclass are |
37 |
| - // always marked "final". |
38 |
| - |
39 |
| - final String title; |
40 |
| - |
41 | 20 | @override
|
42 | 21 | _MyHomePageState createState() => new _MyHomePageState();
|
43 | 22 | }
|
44 | 23 |
|
45 | 24 | class _MyHomePageState extends State<MyHomePage> {
|
46 |
| - int _counter = 0; |
47 |
| - |
48 |
| - void _incrementCounter() { |
49 |
| - setState(() { |
50 |
| - // This call to setState tells the Flutter framework that something has |
51 |
| - // changed in this State, which causes it to rerun the build method below |
52 |
| - // so that the display can reflect the updated values. If we changed |
53 |
| - // _counter without calling setState(), then the build method would not be |
54 |
| - // called again, and so nothing would appear to happen. |
55 |
| - _counter++; |
56 |
| - }); |
57 |
| - } |
58 |
| - |
59 | 25 | @override
|
60 | 26 | Widget build(BuildContext context) {
|
61 |
| - // This method is rerun every time setState is called, for instance as done |
62 |
| - // by the _incrementCounter method above. |
63 |
| - // |
64 |
| - // The Flutter framework has been optimized to make rerunning build methods |
65 |
| - // fast, so that you can just rebuild anything that needs updating rather |
66 |
| - // than having to individually change instances of widgets. |
| 27 | + Column body = new Column(children: [ |
| 28 | + new ListTile( |
| 29 | + title: new AutoCompleteTextField<String>( |
| 30 | + suggestions: [ |
| 31 | + "Apple", |
| 32 | + "Blueberry", |
| 33 | + "Cheese", |
| 34 | + "Danish", |
| 35 | + "Eclair", |
| 36 | + "Fudge", |
| 37 | + "Granola" |
| 38 | + ], |
| 39 | + textChanged: (item) { |
| 40 | + |
| 41 | + }, |
| 42 | + itemBuilder: (context, item) { |
| 43 | + return new Padding( |
| 44 | + padding: EdgeInsets.all(8.0), |
| 45 | + child: new Text(item) |
| 46 | + ); |
| 47 | + }, |
| 48 | + itemSorter: (a, b) { |
| 49 | + return a.compareTo(b); |
| 50 | + }, |
| 51 | + itemFilter: (item, query) { |
| 52 | + return item.toLowerCase().startsWith(query.toLowerCase()); |
| 53 | + }), |
| 54 | + trailing: new IconButton(icon: new Icon(Icons.add), onPressed: () { |
| 55 | + |
| 56 | + }) |
| 57 | + |
| 58 | + ) |
| 59 | + ]); |
| 60 | + |
67 | 61 | return new Scaffold(
|
68 |
| - appBar: new AppBar( |
69 |
| - // Here we take the value from the MyHomePage object that was created by |
70 |
| - // the App.build method, and use it to set our appbar title. |
71 |
| - title: new Text(widget.title), |
72 |
| - ), |
73 |
| - body: new Center( |
74 |
| - // Center is a layout widget. It takes a single child and positions it |
75 |
| - // in the middle of the parent. |
76 |
| - child: new Column( |
77 |
| - // Column is also layout widget. It takes a list of children and |
78 |
| - // arranges them vertically. By default, it sizes itself to fit its |
79 |
| - // children horizontally, and tries to be as tall as its parent. |
80 |
| - // |
81 |
| - // Invoke "debug paint" (press "p" in the console where you ran |
82 |
| - // "flutter run", or select "Toggle Debug Paint" from the Flutter tool |
83 |
| - // window in IntelliJ) to see the wireframe for each widget. |
84 |
| - // |
85 |
| - // Column has various properties to control how it sizes itself and |
86 |
| - // how it positions its children. Here we use mainAxisAlignment to |
87 |
| - // center the children vertically; the main axis here is the vertical |
88 |
| - // axis because Columns are vertical (the cross axis would be |
89 |
| - // horizontal). |
90 |
| - mainAxisAlignment: MainAxisAlignment.center, |
91 |
| - children: <Widget>[ |
92 |
| - new Text( |
93 |
| - 'You have pushed the button this many times:', |
94 |
| - ), |
95 |
| - new Text( |
96 |
| - '$_counter', |
97 |
| - style: Theme.of(context).textTheme.display1, |
98 |
| - ), |
99 |
| - ], |
100 |
| - ), |
101 |
| - ), |
102 |
| - floatingActionButton: new FloatingActionButton( |
103 |
| - onPressed: _incrementCounter, |
104 |
| - tooltip: 'Increment', |
105 |
| - child: new Icon(Icons.add), |
106 |
| - ), // This trailing comma makes auto-formatting nicer for build methods. |
107 |
| - ); |
| 62 | + appBar: new AppBar(title: new Text('Auto Complete TextField Demo')), |
| 63 | + body: body); |
108 | 64 | }
|
109 | 65 | }
|
0 commit comments