aiagent_ohos 0.0.1

HarmonyOS 小艺智能体 Flutter 插件，通过 PlatformView 嵌入原生 FunctionComponent，在 Flutter 应用中一键唤起智能体对话。仅支持 Flutter OHOS 平台。

example/lib/main.dart

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

import 'package:flutter/services.dart';
import 'package:aiagent_ohos/aiagent_ohos.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final _aiagentOhosPlugin = AiagentOhos();
  String _platformVersion = 'Unknown';
  bool _isAgentSupported = false;
  bool _isChecking = false;

  // TODO: 替换为你自己的智能体 ID（从华为小艺智能体平台获取）
  final String _agentId = 'agentd32f1ff2a2864e1daf50959a51e336cc';

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

  Future<void> _initPlatformState() async {
    String platformVersion;
    try {
      platformVersion =
          await _aiagentOhosPlugin.getPlatformVersion() ?? 'Unknown';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });

    // 检查智能体是否可用
    _checkAgentSupport();
  }

  Future<void> _checkAgentSupport() async {
    setState(() {
      _isChecking = true;
    });

    try {
      final isSupported = await _aiagentOhosPlugin.isAgentSupport(_agentId);
      if (mounted) {
        setState(() {
          _isAgentSupported = isSupported;
          _isChecking = false;
        });
      }
    } on PlatformException catch (e) {
      debugPrint('检查智能体支持状态失败: ${e.message}');
      if (mounted) {
        setState(() {
          _isAgentSupported = false;
          _isChecking = false;
        });
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(
        colorSchemeSeed: const Color(0xFF1AD0F1),
        useMaterial3: true,
      ),
      home: Scaffold(
        appBar: AppBar(
          title: const Text('AI Agent 插件示例'),
          centerTitle: true,
        ),
        body: SingleChildScrollView(
          padding: const EdgeInsets.all(16),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              // 平台信息卡片
              _buildInfoCard(),
              const SizedBox(height: 20),

              // 智能体组件区域
              const Text(
                '智能体组件',
                style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
              ),
              const SizedBox(height: 12),

              if (_isChecking)
                const Center(
                  child: Padding(
                    padding: EdgeInsets.all(20),
                    child: CircularProgressIndicator(),
                  ),
                )
              else if (_isAgentSupported)
                _buildAgentSection()
              else
                _buildNotSupportedCard(),
            ],
          ),
        ),
      ),
    );
  }

  /// 平台信息卡片
  Widget _buildInfoCard() {
    return Card(
      child: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              '平台信息',
              style: TextStyle(
                fontSize: 16,
                fontWeight: FontWeight.bold,
                color: Theme.of(context).colorScheme.primary,
              ),
            ),
            const SizedBox(height: 8),
            Text('运行平台: $_platformVersion'),
            const SizedBox(height: 4),
            Text('Agent ID: $_agentId'),
            const SizedBox(height: 4),
            Row(
              children: [
                const Text('智能体状态: '),
                if (_isChecking)
                  const SizedBox(
                    width: 14,
                    height: 14,
                    child: CircularProgressIndicator(strokeWidth: 2),
                  )
                else
                  Text(
                    _isAgentSupported ? '可用' : '不可用',
                    style: TextStyle(
                      color: _isAgentSupported ? Colors.green : Colors.red,
                      fontWeight: FontWeight.bold,
                    ),
                  ),
              ],
            ),
          ],
        ),
      ),
    );
  }

  /// 智能体组件区域
  Widget _buildAgentSection() {
    return Column(
      children: [
        // 基础用法
        _buildAgentCard(
          title: '基础用法',
          description: '默认配置的智能体按钮',
          options: AiAgentOptions(
            agentId: _agentId,
            title: '智能助手',
            queryText: '你好，有什么可以帮您的？',
          ),
        ),
        const SizedBox(height: 16),

        // 自定义配置
        _buildAgentCard(
          title: '自定义配置',
          description: '自定义标题和默认问题',
          options: AiAgentOptions(
            agentId: _agentId,
            title: '育儿顾问',
            queryText: '请问宝宝辅食怎么添加？',
            isShowShadow: true,
            titleColors: const ['#FF6B6B', '#FFE66D'],
          ),
        ),
      ],
    );
  }

  /// 单个智能体卡片
  Widget _buildAgentCard({
    required String title,
    required String description,
    required AiAgentOptions options,
  }) {
    return Card(
      child: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              title,
              style: const TextStyle(
                fontSize: 15,
                fontWeight: FontWeight.bold,
              ),
            ),
            const SizedBox(height: 4),
            Text(
              description,
              style: TextStyle(fontSize: 13, color: Colors.grey[600]),
            ),
            const SizedBox(height: 12),
            SizedBox(
              width: 130,
              height: 40,
              child: AiAgentView(
                options: options,
                onAgentDialogOpened: () {
                  debugPrint('[$title] 智能体对话框已打开');
                },
                onAgentDialogClosed: () {
                  debugPrint('[$title] 智能体对话框已关闭');
                },
                onError: (error) {
                  debugPrint('[$title] 错误: $error');
                },
              ),
            ),
          ],
        ),
      ),
    );
  }

  /// 不支持提示卡片
  Widget _buildNotSupportedCard() {
    return Card(
      color: Colors.orange[50],
      child: Padding(
        padding: const EdgeInsets.all(16),
        child: Row(
          children: [
            Icon(Icons.warning_amber_rounded, color: Colors.orange[700]),
            const SizedBox(width: 12),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    '智能体暂不可用',
                    style: TextStyle(
                      fontWeight: FontWeight.bold,
                      color: Colors.orange[800],
                    ),
                  ),
                  const SizedBox(height: 4),
                  Text(
                    '请确认 Agent ID 是否正确，或当前设备是否支持智能体功能。',
                    style: TextStyle(fontSize: 13, color: Colors.orange[700]),
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}