zh_native_channel 0.0.6

Reusable platform channel message framework for Flutter.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:zh_native_channel/zh_native_channel.dart';
import 'package:zh_native_channel_example/base/zHNativeChannel/msgs/UserMsg.dart';

import 'base/zHNativeChannel/ChannelGeneratedRegister.g.dart';
import 'base/zHNativeChannel/msgs/ping_msg.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  initializeGeneratedChannels();
  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'ZH Native Channel Example',
      theme: ThemeData(colorScheme: .fromSeed(seedColor: Colors.deepPurple)),
      home: const MyHomePage(),
    );
  }
}

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

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  String _result = '尚未调用';
  String _nestedResult = '尚未调用';

  Future<void> _sendPing() async {
    setState(() {
      _result = '调用中...';
    });

    try {
      final response = await ZHNativeChannel.instance.invoke(PingMsg(text: 'hello'));
      final ping = response as PingMsg;
      setState(() {
        _result = ping.text;
      });
    } catch (error) {
      setState(() {
        _result = '调用失败: $error';
      });
    }
  }

  Future<void> _sendNestedMsg() async {
    setState(() {
      _nestedResult = '调用中...';
    });

    try {
      final response = await ZHNativeChannel.instance.invoke(
        UserMsg(
          name: '',
          age: 0,
          preferences: Preferences(
            name: '',
            address: Address(street: '', city: '', state: '', zip: ''),
          ),
        ),
      );
      final user = response as UserMsg;
      setState(() {
        print("---- get nested result: ${user.toMap()}");
        _nestedResult = user.toMap().toString();
      });
    } catch (error) {
      setState(() {
        _nestedResult = '调用失败: $error';
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: const Text('ZH Native Channel Example'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: .center,
          children: [
            const Text('点击按钮向原生发送 PingMsg'),
            const SizedBox(height: 16),
            Text(_result, style: Theme.of(context).textTheme.titleMedium),
            const SizedBox(height: 24),
            FilledButton(onPressed: _sendPing, child: const Text('发送 Ping')),
            const SizedBox(height: 24),
            Text(_nestedResult, style: Theme.of(context).textTheme.titleMedium),
            const SizedBox(height: 24),
            FilledButton(onPressed: _sendNestedMsg, child: const Text('发送嵌套消息')),
          ],
        ),
      ),
    );
  }
}