import Cocoa import FlutterMacOS class MainFlutterWindow: NSWindow { override func awakeFromNib() { let flutterViewController = FlutterViewController() let windowFrame = self.frame self.contentViewController = flutterViewController self.setFrame(windowFrame, display: true) self.setFrameAutosaveName("MainWindow") RegisterGeneratedPlugins(registry: flutterViewController) ClipboardMediaChannel.register( messenger: flutterViewController.engine.binaryMessenger) super.awakeFromNib() } }