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fix/iOS: Load realm-wrapper DLL using MainBundle.PrivateFrameworksPath #3718

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fix/iOS: Load realm-wrapper DLL using MainBundle.PrivateFrameworksPath #3718

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25 changes: 23 additions & 2 deletions Realm/Realm/Native/NativeCommon.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,9 @@
using System.Threading;
using Realms.Helpers;
using Realms.Logging;
#if !NET5_0_OR_GREATER
#if NET5_0_OR_GREATER
using System.Reflection;
#else
using System.IO;
#endif

Expand All @@ -50,7 +52,26 @@ internal static void Initialize()
{
if (libraryName == InteropConfig.DLL_NAME)
{
libraryName = "@rpath/realm-wrappers.framework/realm-wrappers";
var rpath = "@rpath";

var runtimeVersion = Environment.Version;
if (runtimeVersion.Major >= 10)
{
// .NET 10 breaking change: Realm can't use @rpath for runtime library location.
// Solution: Use NSBundle.MainBundle.PrivateFrameworksPath
// Currently it is evaluated through reflection, but could be replaced when platform code evaluation/injection improves in future versions.
var nsBundleType = Assembly.Load("Microsoft.iOS").GetType("Foundation.NSBundle");
var mainBundleProperty = nsBundleType?.GetProperty("MainBundle", BindingFlags.Public | BindingFlags.Static);
var mainBundle = mainBundleProperty?.GetValue(null);
var privateFrameworksPathProperty = nsBundleType?.GetProperty("PrivateFrameworksPath", BindingFlags.Public | BindingFlags.Instance);

if (privateFrameworksPathProperty?.GetValue(mainBundle) is string privateFrameworksPath)
{
rpath = privateFrameworksPath;
}
}

libraryName = $"{rpath}/realm-wrappers.framework/realm-wrappers";
}

return NativeLibrary.Load(libraryName, assembly, searchPath);
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