add window manager package to manager window

lib/main.dart

@@ -13,10 +13,17 @@ import 'package:oktoast/oktoast.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'View/bottom_setting_view.dart';
 import 'package:file_drag_and_drop/file_drag_and_drop_channel.dart';
+import 'package:window_manager/window_manager.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   await dragAndDropChannel.initializedMainView();
+  await windowManager.ensureInitialized();
+  windowManager.waitUntilReadyToShow().then((_) async {
+    await windowManager.setResizable(false);
+    await windowManager.setSize(Size(800, 600));
+    await windowManager.show();
+  });
   runApp(GetMaterialApp(
     navigatorKey: Get.key,
     home: OKToast(

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -8,9 +8,11 @@ import Foundation
 import file_drag_and_drop
 import path_provider_macos
 import shared_preferences_macos
+import window_manager
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FileDragAndDropPlugin.register(with: registry.registrar(forPlugin: "FileDragAndDropPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
+  WindowManagerPlugin.register(with: registry.registrar(forPlugin: "WindowManagerPlugin"))
 }

pubspec.lock

@@ -343,6 +343,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.2.10"
+  window_manager:
+    dependency: "direct main"
+    description:
+      name: window_manager
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.1.3"
   xdg_directories:
     dependency: transitive
     description:

pubspec.yaml

@@ -39,6 +39,7 @@ dependencies:
   dio: ^4.0.4
   oktoast: ^3.1.5
   shared_preferences: ^2.0.6
+  window_manager: ^0.1.3
 
 dev_dependencies:
   flutter_test: