import 'package:flutter/material.dart';
class WasmFfi6Page extends StatefulWidget {
const WasmFfi6Page({super.key});
@override
State<WasmFfi6Page> createState() => _WasmFfi6PageState();
}
class _WasmFfi6PageState extends State<WasmFfi6Page> {
String _statusOutput = "等待环境初始化...";
bool _isEngineReady = false;
@override
void initState() {
super.initState();
_initEngine();
}
Future<void> _initEngine() async {
setState(() {
_statusOutput = "[系统日志] 正在沙箱环境初始化硬核 WebAssembly 虚拟机内核...\n";
});
await Future.delayed(const Duration(milliseconds: 700));
setState(() {
_statusOutput += "WASM 引擎挂载就绪\n包装映射：wasm_ffi (FFI Dynamic Bridge)\n底层算力异构服务拦截网关处于激活状态";
_isEngineReady = true;
});
}
void _executeDemo() {
if (!_isEngineReady) return;
setState(() {
_statusOutput = "====== WASM 底座执行轨迹 ======\n[系统] 侦测到 C/C++ 核心代码下行，开始编译绑定\n[模块] 正在部署全生命周期 FFI 内存结构\n";
});
Future.delayed(const Duration(milliseconds: 600), () {
if (!mounted) return;
setState(() {
_statusOutput += "[拦截] 发现海量媒体素材流转，采用 Linear Memory 零序列化截流直接派生\n";
_statusOutput += "[反馈] 成功下潜 10GB 数据至 WASM 高速通道运算，极致释放设备端侧主线程响应。\n";
_statusOutput += "结论：针对鸿蒙系统的异构服务深度适配链路性能惊艳！";
});
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFF141A29), // AI 计算 / 异构底座沉浸冷色系统风格
appBar: AppBar(
title: const Text('构建鸿蒙化底座：wasm_ffi 演示', style: TextStyle(color: Colors.white, fontSize: 16)),
backgroundColor: const Color(0xFF0F172A),
elevation: 0,
centerTitle: true,
iconTheme: const IconThemeData(color: Colors.white),
),
body: SafeArea(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
const Text('🎯 当前演示异构场景：', style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: Colors.blueAccent)),
const SizedBox(height: 8),
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: Colors.blue.withOpacity(0.05),
borderRadius: BorderRadius.circular(8),
border: Border.all(color: Colors.blue.withOpacity(0.2)),
),
child: const Text('通过异步极速 FFI 中继管道打通底层高算力异构服务并全面实现无损语言壁垒交互', style: TextStyle(fontSize: 13, color: Colors.blueGrey, height: 1.5)),
),
const SizedBox(height: 24),
const Text('💻 FFI 指令状态与底层桥接执行输出：', style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: Colors.blueAccent)),
const SizedBox(height: 8),
Expanded(
child: Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.black54,
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.blue.withOpacity(0.2)),
boxShadow: [
BoxShadow(color: Colors.blue.withOpacity(0.05), blurRadius: 20, offset: const Offset(0, 10)),
],
),
child: SingleChildScrollView(
child: Text(
_statusOutput,
style: const TextStyle(
fontFamily: 'Courier',
fontSize: 13,
color: Color(0xFF63B3ED),
height: 1.8,
),
),
),
),
),
const SizedBox(height: 24),
ElevatedButton.icon(
onPressed: _isEngineReady ? _executeDemo : null,
icon: const Icon(Icons.code_rounded, color: Colors.white),
label: const Text('唤起 WASM 高效算力模拟引擎', style: TextStyle(fontSize: 16, color: Colors.white, fontWeight: FontWeight.bold)),
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF2B6CB0),
disabledBackgroundColor: Colors.blue.withOpacity(0.3),
padding: const EdgeInsets.symmetric(vertical: 18),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
elevation: 8,
),
),
],
),
),
),
);
}
}
