feat: 支持视频录制

lib/view/bililive.dart

@@ -0,0 +1,59 @@
+import 'dart:async';
+import 'dart:io';
+import 'package:flutter/material.dart';
+import 'package:webview_windows/webview_windows.dart';
+
+class BililivePage extends StatefulWidget {
+  const BililivePage({Key? key}) : super(key: key);
+
+  @override
+  _BililivePageState createState() => _BililivePageState();
+}
+
+class _BililivePageState extends State<BililivePage> {
+  final _controller = WebviewController();
+  bool _isLoading = true;
+  Process? _bililiveProcess;
+
+  @override
+  void initState() {
+    super.initState();
+    runExecutableAndLoadPage();
+  }
+
+  Future<void> runExecutableAndLoadPage() async {
+    _bililiveProcess =
+        await Process.start('assets/bililive-windows-amd64.exe', []);
+    // 初始化并加载 localhost 页面
+    await _controller.initialize();
+    await _controller.loadUrl('http://localhost:8080');
+    if (mounted) {
+      setState(() {
+        _isLoading = false;
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('BiliLive'),
+      ),
+      body: Stack(
+        children: <Widget>[
+          _isLoading
+              ? const Center(child: CircularProgressIndicator())
+              : Webview(_controller),
+        ],
+      ),
+    );
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    _bililiveProcess?.kill(); // 关闭页面时终止 exe 进程
+    super.dispose();
+  }
+}