Web page address: Web page demo
(the web page is slower)
Reference: Original
1. Create a project
flutter create example010_listview2
2. AS opens
Three. Add dependencies, put in resource files
pubspec.yaml
dependencies:
flutter:
sdk: flutter
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
cupertino_icons: ^1.0.2
english_words: ^3.1.5
Four. Writing code
main.dart
import 'package:flutter/material.dart';
import 'package:english_words/english_words.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
// final WordPair wordPair = new WordPair.random(); // 删掉本行
return new MaterialApp(
title: 'Welcome to Flutter',
home:RandomWords()
// new Scaffold(
// appBar: new AppBar(
// title: new Text('Welcome to Flutter'),
// ),
// body: new Center(
// //child: new Text(wordPair.asPascalCase),
// child: new RandomWords(),
// ),
// ),
);
}
}
class RandomWords extends StatefulWidget {
@override
_RandomWordsState createState() => new _RandomWordsState();
}
class _RandomWordsState extends State<RandomWords> {
final List<WordPair> _suggestions = <WordPair>[];
final TextStyle _biggerFont = const TextStyle(fontSize: 18.0);
Widget _buildRow(WordPair pair) {
return new ListTile(
title: new Text(
pair.asPascalCase,
style: _biggerFont,
),
);
}
Widget _buildSuggestions() {
return new ListView.builder(
padding: const EdgeInsets.all(16.0),
itemBuilder: (BuildContext _context, int i) {
if (i.isOdd) {
return new Divider();
}
final int index = i ~/ 2;
if (index >= _suggestions.length) {
_suggestions.addAll(generateWordPairs().take(10));
}
return _buildRow(_suggestions[index]);
}
);
}
@override
Widget build(BuildContext context) {
// final WordPair wordPair = new WordPair.random();
// return new Text(wordPair.asPascalCase);
return new Scaffold (
appBar: new AppBar(
title: new Text('名字生成'),
),
body: _buildSuggestions(),
);
}
}
5. Debugging and running
Open the Android or iOS simulator in AS first, and click the run button.
Or run in the command line:
flutter run
6. Package the web
flutter build web
Source code
https://gitee.com/ruik2080/example-flutter