flutter_emoji：Flutter Emoji 处理插件

dependencies:
  flutter_emoji: ^2.5.1

flutter pub get

import 'package:flutter_emoji/flutter_emoji.dart';

var parser = EmojiParser();
var coffee = Emoji('coffee', '☕');

// 获取 Emoji 信息
print(parser.info('heart'));
// 输出: {name: heart, full: :heart:, code: ❤️}

// 文本转 Emoji
print(parser.emojify('I :heart: :coffee:'));
// 输出: I ❤️ ☕

// Emoji 转文本
print(parser.unemojify('I ❤️ ☕'));
// 输出: I :heart: :coffee:

// 统计 Emoji 数量
parser.count('I ❤️ Flutter just like ☕');
// 输出: 2

// 替换 Emoji
parser.replace('I ❤️ coffee', '❤️', '❤️‍🔥');
// 输出: I ❤️‍🔥 coffee

// 本地数据（默认）
var parser = EmojiParser();
// 或
parser.initLocalData();

// 服务器数据（需网络权限）
await parser.initServerData();

import 'package:flutter/material.dart';
import 'package:flutter_emoji/flutter_emoji.dart';

class EmojiDemo extends StatefulWidget {
  @override
  _EmojiDemoState createState() => _EmojiDemoState();
}

class _EmojiDemoState extends State<EmojiDemo> {
  final parser = EmojiParser();
  String input = 'I :heart: Flutter :rocket:';
  String output = '';

  @override
  void initState() {
    super.initState();
    convertEmoji();
  }

  void convertEmoji() {
    setState(() {
      output = parser.emojify(input);
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('Flutter Emoji')),
      body: Padding(
        padding: EdgeInsets.all(16),
        child: Column(
          children: [
            TextField(
              controller: TextEditingController(text: input),
              onChanged: (value) {
                input = value;
                convertEmoji();
              },
              decoration: InputDecoration(
                labelText: '输入文本',
                hintText: '使用 :emoji_name: 格式',
              ),
            ),
            SizedBox(height: 20),
            Text('转换结果:', style: TextStyle(fontWeight: FontWeight.bold)),
            SizedBox(height: 10),
            Text(output, style: TextStyle(fontSize: 24)),
          ],
        ),
      ),
    );
  }
}