SDK Quick Start

dependencies:
  gameframework: ^0.0.1
  gameframework_unity: ^0.0.1

flutter pub get

import 'package:flutter/material.dart';
import 'package:gameframework/gameframework.dart';
import 'package:gameframework_unity/gameframework_unity.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  
  // Initialize Unity plugin
  UnityEnginePlugin.initialize();
  
  runApp(MyApp());
}

class GameScreen extends StatefulWidget {
  @override
  State<GameScreen> createState() => _GameScreenState();
}

class _GameScreenState extends State<GameScreen> {
  GameEngineController? _controller;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('My Game')),
      body: GameWidget(
        engineType: GameEngineType.unity,
        config: GameEngineConfig(
          runImmediately: true,
          fullscreen: false,
        ),
        onEngineCreated: (controller) {
          setState(() => _controller = controller);
          print('Engine created!');
        },
        onMessage: (message) {
          print('Message: ${message.data}');
        },
      ),
    );
  }
}

FloatingActionButton(
  onPressed: () {
    _controller?.sendMessage(
      'GameManager',  // Target object
      'StartGame',    // Method name
      'level1',       // Data
    );
  },
  child: Icon(Icons.play_arrow),
)

onMessage: (GameEngineMessage message) {
  if (message.target == 'Flutter') {
    switch (message.method) {
      case 'GameOver':
        showDialog(/*...*/);
        break;
      case 'ScoreUpdated':
        setState(() => score = message.data);
        break;
    }
  }
}

@override
void dispose() {
  _controller?.dispose();
  super.dispose();
}