import Cocoa import FlutterMacOS import desktop_multi_window import window_manager class MainFlutterWindow: NSWindow { override func awakeFromNib() { let flutterViewController = FlutterViewController() let windowFrame = self.frame self.contentViewController = flutterViewController self.setFrame(windowFrame, display: true) RegisterGeneratedPlugins(registry: flutterViewController) FlutterMultiWindowPlugin.setOnWindowCreatedCallback { controller in RegisterGeneratedPlugins(registry: controller) } super.awakeFromNib() } override public func order(_ place: NSWindow.OrderingMode, relativeTo otherWin: Int) { super.order(place, relativeTo: otherWin) hiddenWindowAtLaunch() } }