[tests] fix NU1510 warning as error
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Context: NuGet/NuGet.Client#6239 .NET 10 Preview 1 enables `$(RestoreEnablePackagePruning)=true` by default. This produces multiple warnings as errors in dotnet/android: external\Java.Interop\tests\Java.Interop.Dynamic-Tests\Java.Interop.Dynamic-Tests.csproj : error NU1510: Warning As Error: PackageReference Microsoft.CSharp will not be pruned. Consider removing this package from your dependencies, as it is likely unnecessary. The `Microsoft.CSharp` package does seem like it can just be removed.
jpobst
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Feb 11, 2025
jonpryor
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Feb 12, 2025
Changes: dotnet/java-interop@6bc87e8...57f7bc8 * dotnet/java-interop@57f7bc84: [generator] Avoid non-blittable types in native callback methods (dotnet/java-interop#1296) * dotnet/java-interop@9369d4fd: [tests] fix `NU1510` warning as error (dotnet/java-interop#1306) Context: dotnet/java-interop@57f7bc8 Context: dotnet/java-interop#1027 dotnet/java-interop@57f7bc84 updated `generator --codegen-target=XAJavaInterop1` marshal methods to contain only blittable types in parameter and return types. Instead of `bool`, use `sbyte`; instead of `char`, use `ushort`. This change causes warnings when `MarshalMethodsClassifier` verifies that the marshal types match the native types: …/Xamarin.Android.Common.targets(1502,3): Method 'System.SByte Java.Lang.Object::n_Equals_Ljava_lang_Object_(System.IntPtr,System.IntPtr,System.IntPtr)' doesn't match native callback signature (invalid return type: expected 'System.Boolean', found 'System.SByte') …/Xamarin.Android.Common.targets(1502,3): Unable to find native callback method 'n_Equals_Ljava_lang_Object_' in type 'Java.Lang.Object', matching the 'System.Boolean Java.Lang.Object::Equals(Java.Lang.Object)' signature (jniName: 'equals') [Arch: X86_64; Assembly: obj/Release/android-x64/linked/Mono.Android.dll] …/Xamarin.Android.Common.targets(1502,3): Method 'System.Boolean Java.Lang.Object::Equals(Java.Lang.Object)' will be registered dynamically [Arch: X86_64; Assembly: obj/Release/android-x64/linked/Mono.Android.dll] …/Xamarin.Android.Common.targets(1502,3): Method 'System.SByte Java.Lang.Object::n_Equals_Ljava_lang_Object_(System.IntPtr,System.IntPtr,System.IntPtr)' doesn't match native callback signature (invalid return type: expected 'System.Boolean', found 'System.SByte') …/Xamarin.Android.Common.targets(1502,3): Unable to find native callback method 'n_Equals_Ljava_lang_Object_' in type 'Java.Lang.Object', matching the 'System.Boolean Java.Lang.Object::Equals(Java.Lang.Object)' signature (jniName: 'equals') [Arch: Arm64; Assembly: obj/Release/android-arm64/linked/Mono.Android.dll] …/Xamarin.Android.Common.targets(1502,3): Method 'System.Boolean Java.Lang.Object::Equals(Java.Lang.Object)' will be registered dynamically [Arch: Arm64; Assembly: obj/Release/android-arm64/linked/Mono.Android.dll] …/Xamarin.Android.Common.targets(1502,3): Type 'Android.Runtime.JavaObject, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=84e04ff9cfb79065' will register some of its Java override methods dynamically. This may adversely affect runtime performance. See preceding warnings for names of dynamically registered methods. …/Xamarin.Android.Common.targets(1502,3): [Arm64] Number of methods in the project that will be registered dynamically: 1 …/Xamarin.Android.Common.targets(1502,3): [X86_64] Number of methods in the project that will be registered dynamically: 1 These warnings occur because the marshal method signature now differs from the public API signature. Consider: namespace Java.Lang; partial class Object { static sbyte n_Equals_Ljava_lang_Object_ (IntPtr jnienv, IntPtr native__this, IntPtr native_obj) => … [Register ("equals", "(Ljava/lang/Object;)Z", "GetEquals_Ljava_lang_Object_Handler")] public virtual unsafe bool Equals (Java.Lang.Object? obj) => … } `MarshalMethodsClassifier` uses the 3rd `connector` parameter to `RegisterAttribute` to determine the name of the marshal method -- string processing `GetEquals_Ljava_lang_Object_Handler` to obtain `n_Equals_Ljava_lang_Object_` -- and then checks that the parameter and return types match between the two methods. Now that we're emitting blittable types, they *don't* match, thus the warning. Fix this by treating our blittable types as equivalent to their native types in `MarshalMethodsClassifier`. Additionally, `Mono.Android` has "built-in delegates" that marshal `bool` types, e.g. `_JniMarshal_PP_Z`. Because `generator` no longer creates these delegates -- it will now create `_JniMarshal_PP_B` instead -- we need to add them manually.
jonathanpeppers
pushed a commit
to dotnet/android
that referenced
this pull request
Feb 12, 2025
Changes: dotnet/java-interop@6bc87e8...57f7bc8 * dotnet/java-interop@57f7bc84: [generator] Avoid non-blittable types in native callback methods (dotnet/java-interop#1296) * dotnet/java-interop@9369d4fd: [tests] fix `NU1510` warning as error (dotnet/java-interop#1306) Context: dotnet/java-interop@57f7bc8 Context: dotnet/java-interop#1027 dotnet/java-interop@57f7bc84 updated `generator --codegen-target=XAJavaInterop1` marshal methods to contain only blittable types in parameter and return types. Instead of `bool`, use `sbyte`; instead of `char`, use `ushort`. This change causes warnings when `MarshalMethodsClassifier` verifies that the marshal types match the native types: …/Xamarin.Android.Common.targets(1502,3): Method 'System.SByte Java.Lang.Object::n_Equals_Ljava_lang_Object_(System.IntPtr,System.IntPtr,System.IntPtr)' doesn't match native callback signature (invalid return type: expected 'System.Boolean', found 'System.SByte') …/Xamarin.Android.Common.targets(1502,3): Unable to find native callback method 'n_Equals_Ljava_lang_Object_' in type 'Java.Lang.Object', matching the 'System.Boolean Java.Lang.Object::Equals(Java.Lang.Object)' signature (jniName: 'equals') [Arch: X86_64; Assembly: obj/Release/android-x64/linked/Mono.Android.dll] …/Xamarin.Android.Common.targets(1502,3): Method 'System.Boolean Java.Lang.Object::Equals(Java.Lang.Object)' will be registered dynamically [Arch: X86_64; Assembly: obj/Release/android-x64/linked/Mono.Android.dll] …/Xamarin.Android.Common.targets(1502,3): Method 'System.SByte Java.Lang.Object::n_Equals_Ljava_lang_Object_(System.IntPtr,System.IntPtr,System.IntPtr)' doesn't match native callback signature (invalid return type: expected 'System.Boolean', found 'System.SByte') …/Xamarin.Android.Common.targets(1502,3): Unable to find native callback method 'n_Equals_Ljava_lang_Object_' in type 'Java.Lang.Object', matching the 'System.Boolean Java.Lang.Object::Equals(Java.Lang.Object)' signature (jniName: 'equals') [Arch: Arm64; Assembly: obj/Release/android-arm64/linked/Mono.Android.dll] …/Xamarin.Android.Common.targets(1502,3): Method 'System.Boolean Java.Lang.Object::Equals(Java.Lang.Object)' will be registered dynamically [Arch: Arm64; Assembly: obj/Release/android-arm64/linked/Mono.Android.dll] …/Xamarin.Android.Common.targets(1502,3): Type 'Android.Runtime.JavaObject, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=84e04ff9cfb79065' will register some of its Java override methods dynamically. This may adversely affect runtime performance. See preceding warnings for names of dynamically registered methods. …/Xamarin.Android.Common.targets(1502,3): [Arm64] Number of methods in the project that will be registered dynamically: 1 …/Xamarin.Android.Common.targets(1502,3): [X86_64] Number of methods in the project that will be registered dynamically: 1 These warnings occur because the marshal method signature now differs from the public API signature. Consider: namespace Java.Lang; partial class Object { static sbyte n_Equals_Ljava_lang_Object_ (IntPtr jnienv, IntPtr native__this, IntPtr native_obj) => … [Register ("equals", "(Ljava/lang/Object;)Z", "GetEquals_Ljava_lang_Object_Handler")] public virtual unsafe bool Equals (Java.Lang.Object? obj) => … } `MarshalMethodsClassifier` uses the 3rd `connector` parameter to `RegisterAttribute` to determine the name of the marshal method -- string processing `GetEquals_Ljava_lang_Object_Handler` to obtain `n_Equals_Ljava_lang_Object_` -- and then checks that the parameter and return types match between the two methods. Now that we're emitting blittable types, they *don't* match, thus the warning. Fix this by treating our blittable types as equivalent to their native types in `MarshalMethodsClassifier`. Additionally, `Mono.Android` has "built-in delegates" that marshal `bool` types, e.g. `_JniMarshal_PP_Z`. Because `generator` no longer creates these delegates -- it will now create `_JniMarshal_PP_B` instead -- we need to add them manually.
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Context: NuGet/NuGet.Client#6239
.NET 10 Preview 1 enables
$(RestoreEnablePackagePruning)=trueby default.This produces multiple warnings as errors in dotnet/android:
The
Microsoft.CSharppackage does seem like it can just be removed.