Remove CocoaPods from tray_icon_example macOS project

Migrates the tray_icon_example macOS project away from CocoaPods by deleting Podfile and Podfile.lock, updating Xcode project files to remove CocoaPods references, and switching to Swift Package for plugin integration. Also updates multiple_window_example to change view order, enhances NSWindow swizzling, and updates cnativeapi header includes and submodule.

Author: lijy91

examples/multiple_window_example/lib/main.dart

@@ -19,7 +19,7 @@ class MyApp extends StatelessWidget {
       theme: ThemeData(
         colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
       ),
-      home: ViewCollection(views: [PrimaryWindow(), SecondaryWindow()]),
+      home: ViewCollection(views: [SecondaryWindow(), PrimaryWindow()]),
     );
   }
 }

examples/multiple_window_example/macos/Runner/NSWindow+Swizzle.swift

@@ -19,6 +19,18 @@ extension NSWindow {
             return
         }
         method_exchangeImplementations(originalMethod, swizzledMethod)
+
+        // Swizzle makeKeyAndOrderFront(_:)
+        let originalMakeKey = #selector(NSWindow.makeKeyAndOrderFront(_:))
+        let swizzledMakeKey = #selector(NSWindow.swizzled_makeKeyAndOrderFront(_:))
+        guard
+            let originalMakeKeyMethod = class_getInstanceMethod(NSWindow.self, originalMakeKey),
+            let swizzledMakeKeyMethod = class_getInstanceMethod(NSWindow.self, swizzledMakeKey)
+        else {
+            assertionFailure("[Swizzle] Failed to find methods for makeKeyAndOrderFront swizzling")
+            return
+        }
+        method_exchangeImplementations(originalMakeKeyMethod, swizzledMakeKeyMethod)
     }()
 
     // MARK: - Swizzled implementation
@@ -36,6 +48,15 @@ extension NSWindow {
         return window
     }
 
+    // Intercepts makeKeyAndOrderFront(_:) calls
+    @objc dynamic func swizzled_makeKeyAndOrderFront(_ sender: Any?) {
+        NSLog("[Swizzle] Intercepted makeKeyAndOrderFront for window: \(String(describing: self))")
+
+        self.center()
+        // Because we've swapped implementations, calling swizzled_makeKeyAndOrderFront(_:) actually calls the original
+        self.swizzled_makeKeyAndOrderFront(sender)
+    }
+
     // MARK: - Appearance configuration
     private static func configureDefaultAppearance(for window: NSWindow) {
         window.hasShadow = false
@@ -47,7 +68,7 @@ extension NSWindow {
             window.titlebarAppearsTransparent = true
         }
 
-        window.alphaValue = 0.5
+        // window.alphaValue = 0.5
         NSLog("[Swizzle] Modified NSWindow: \(String(describing: window))")
     }
 }

examples/tray_icon_example/macos/Flutter/Flutter-Debug.xcconfig

@@ -1,2 +1 @@
-#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "ephemeral/Flutter-Generated.xcconfig"

examples/tray_icon_example/macos/Flutter/Flutter-Release.xcconfig

@@ -1,2 +1 @@
-#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "ephemeral/Flutter-Generated.xcconfig"