From 088cdf99705c46890f6aa020fa51bdc8ff0d35a0 Mon Sep 17 00:00:00 2001
From: Eliseo Diego Viola <Eliseo.Viola@snowprintstudios.com>
Date: Mon, 1 Sep 2025 13:53:31 +0200
Subject: [PATCH] added default constructor to NSData that will not be stripped

---
 .../Assets/Apple.Core/Runtime/NSData.cs        | 18 ++++++++++++++++++
 .../Apple.Core/Native/AppleCoreNative/NSData.m | 11 +++++++++++
 2 files changed, 29 insertions(+)

diff --git a/plug-ins/Apple.Core/Apple.Core_Unity/Assets/Apple.Core/Runtime/NSData.cs b/plug-ins/Apple.Core/Apple.Core_Unity/Assets/Apple.Core/Runtime/NSData.cs
index 05d8ae1a..72285dd1 100644
--- a/plug-ins/Apple.Core/Apple.Core_Unity/Assets/Apple.Core/Runtime/NSData.cs
+++ b/plug-ins/Apple.Core/Apple.Core_Unity/Assets/Apple.Core/Runtime/NSData.cs
@@ -23,6 +23,13 @@ public NSData(IntPtr pointer) : base(pointer)
         public NSData(byte[] bytes) : base(InitWithBytes(bytes))
         {
         }
+        
+        /// <summary>
+        /// Default constructor that initializes an empty NSData instance.
+        /// </summary>
+        public NSData() : base(CreateEmptyNSData())
+        {
+        }
 
         private static IntPtr InitWithBytes(byte[] bytes)
         {
@@ -66,12 +73,23 @@ public byte[] Bytes
         /// Helper method to get the byte array from an interop IntPtr to NSData.
         /// </summary>
         public static byte[] GetBytes(IntPtr pointer) => (pointer != default) ? new NSData(pointer).Bytes : Array.Empty<byte>();
+        
+        /// <summary>
+        /// Creates an empty NSData instance using a native method.
+        /// </summary>
+        /// <returns>Pointer to the newly created empty NSData object.</returns>
+        private static IntPtr CreateEmptyNSData()
+        {
+            return Interop.NSData_Empty(NSException.ThrowOnExceptionCallback);
+        }
 
         private static class Interop
         {
             [DllImport(InteropUtility.DLLName)] public static extern IntPtr NSData_InitWithBytes(IntPtr bytes, UInt64 length, NSExceptionCallback onException);
             [DllImport(InteropUtility.DLLName)] public static extern UInt64 NSData_GetLength(IntPtr nsDataPtr, NSExceptionCallback onException);
             [DllImport(InteropUtility.DLLName)] public static extern IntPtr NSData_GetBytes(IntPtr nsDataPtr, NSExceptionCallback onException);
+            [DllImport(InteropUtility.DLLName)] public static extern IntPtr NSData_Empty(NSExceptionCallback onException);
+
         }
     }
 }
diff --git a/plug-ins/Apple.Core/Native/AppleCoreNative/NSData.m b/plug-ins/Apple.Core/Native/AppleCoreNative/NSData.m
index af31bafd..be1bdf44 100644
--- a/plug-ins/Apple.Core/Native/AppleCoreNative/NSData.m
+++ b/plug-ins/Apple.Core/Native/AppleCoreNative/NSData.m
@@ -40,3 +40,14 @@ NSUInteger NSData_GetLength(void * nsDataPtr, void (* exceptionCallback)(void *
     }
     return 0;
 }
+
+const void * NSData_Empty(void (*exceptionCallback)(void * nsExceptionPtr)) {
+    @try {
+        NSData *data = [NSData data];
+        return (__bridge_retained const void *)data;
+    }
+    @catch (NSException * e) {
+        exceptionCallback((void *)CFBridgingRetain(e));
+    }
+    return NULL;
+}