chaoxiao 2020-01-17
使用 english_words 包实现生成列表的功能:
import ‘package:english_words/english_words.dart‘;
import ‘package:flutter/material.dart‘;
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: RandomWords(),
);
}
}
class RandomWordsState extends State<RandomWords> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(‘Startup Name Generator‘),
),
body: _buildSuggestions(),
);
}
final _suggestions = <WordPair>[];
final _biggerFont = const TextStyle(fontSize: 18.0);
Widget _buildSuggestions() {
return ListView.builder(
padding: const EdgeInsets.all(16.0),
itemBuilder: (context, i) {
if (i.isOdd) return Divider();
final index = i ~/ 2;
if (index >= _suggestions.length) {
_suggestions.addAll(generateWordPairs().take(10));
}
return _buildRow(_suggestions[index]);
}
);
}
Widget _buildRow(WordPair pair) {
return ListTile(
title: Text(
pair.asPascalCase,
style: _biggerFont,
),
);
}
}
class RandomWords extends StatefulWidget {
@override
RandomWordsState createState() => RandomWordsState();
}