android Flutter 3.使用使用外部包

公开资源包
https://pub.dartlang.org/flutter/

例子

添加 english_words

1 pubspec.yaml中添加

dependencies:
  flutter:
    sdk: flutter

  cupertino_icons: ^0.1.0
  english_words: ^3.1.0   # add this line

2 更新 package
点击 Packages get

3 .dart文件中引入package

import 'package:flutter/material.dart';
import 'package:english_words/english_words.dart';  // Add this line.

4 使用

import 'package:flutter/material.dart';
import 'package:english_words/english_words.dart';  // Add this line.

/// MySnapPage
class MySnapPage extends StatefulWidget {
  @override
  _MySnapPageState createState() => new _MySnapPageState();
}

class _MySnapPageState extends State<MySnapPage> {
  @override
  Widget build(BuildContext context) {

    final wordPair = new WordPair.random(); // Add this line.

    return new Scaffold(
//      appBar: new AppBar(title: new Text("MySnapPage"),),
//      body: new Center(child: new Text("MySnapPage")),
      body: new Center(child: new Text(wordPair.asPascalCase) ),
      
    );
  }
}

创建WordPair

final wordPair = new WordPair.random(); // Add this line.

使用wordPair

new Text(wordPair.asPascalCase)