Initial commit

macos/Runner/MainFlutterWindow.swift

@@ -0,0 +1,20 @@
+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)
+
+    RegisterGeneratedPlugins(registry: flutterViewController)
+
+    super.awakeFromNib()
+  }
+
+  override public func order(_ place: NSWindow.OrderingMode, relativeTo otherWin: Int) {
+    super.order(place, relativeTo: otherWin)
+    hiddenWindowAtLaunch()
+  }
+}