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Remove Java.Interop.Dynamic #1449

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684621a
Remove Java.Interop.Dynamic
simonrozsival Jun 9, 2026
9943676
Merge remote-tracking branch 'origin/main' into dev/simonrozsival/rem…
Copilot Jun 9, 2026
ca6f164
Remove stale Java.Interop.Dynamic Makefile references
Copilot Jun 9, 2026
c5b327b
Merge remote-tracking branch 'origin/main' into dev/simonrozsival/rem…
Copilot Jun 9, 2026
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1 change: 0 additions & 1 deletion .github/copilot-instructions.md
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Expand Up @@ -34,7 +34,6 @@

### Core Libraries (`src/`)
- **`Java.Interop/`**: Main JNI binding library with core types and runtime
- **`Java.Interop.Dynamic/`**: C# 4.0 `dynamic` provider for runtime method invocation
- **`Java.Interop.Export/`**: `[Export]` attribute support for exposing managed methods to Java
- **`Java.Runtime.Environment/`**: JVM loading and lifecycle management
- **`Java.Base/`**: Bindings for core Java types (`java.lang.*`, etc.)
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1 change: 0 additions & 1 deletion .github/skills/build-and-test/SKILL.md
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Expand Up @@ -55,7 +55,6 @@ dotnet test tests/<TestProject>/<TestProject>.csproj
Common test projects:
- `Java.Interop-Tests` — core JNI binding tests (largest suite)
- `Java.Interop.Export-Tests` — export attribute tests
- `Java.Interop.Dynamic-Tests` — dynamic invocation tests
- `Java.Base-Tests` — Java.Base binding tests
- `generator-Tests` — C# binding generator tests
- `Java.Interop.Tools.JavaCallableWrappers-Tests` — JCW generation tests
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14 changes: 4 additions & 10 deletions Documentation/Architecture.md
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Expand Up @@ -85,16 +85,10 @@ The problem with Xamarin.Android is a lack of flexibility:
JNI glue code elsewhere (the desktop JVM?).
* An incomplete binding ABI restricts fully embracing AOT

Relatedly, there has long been a desire to provide a
[C# 4 `dynamic` provider][Java.Interop.Dynamic] to permit invoking Java methods
without requiring a separately generated binding assembly. `dynamic` providers,
in turn, implement the [IDynamicMetaObjectProvider][IDynamicMetaObjectProvider]
interface, which is based ~entirely upon
[System.Linq.Expressions][System.Linq.Expressions], which *also* supports
generating IL for execution at runtime (or saving to disk).

[Java.Interop.Dynamic]: src/Java.Interop.Dynamic
[IDynamicMetaObjectProvider]: https://msdn.microsoft.com/en-us/library/system.dynamic.idynamicmetaobjectprovider%28v=vs.110%29.aspx
Relatedly, there has long been a desire to embrace
[System.Linq.Expressions][System.Linq.Expressions], which supports generating IL
for execution at runtime (or saving to disk).
Comment thread
simonrozsival marked this conversation as resolved.

[System.Linq.Expressions]: https://msdn.microsoft.com/en-us/library/system.linq.expressions.aspx

Thus, the solution to *all our problems*? *Embrace* `System.Linq.Expressions`.
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3 changes: 1 addition & 2 deletions Documentation/BuildConfiguration.md
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Expand Up @@ -41,11 +41,10 @@ The following **make**(1) variables may be specified:
* `$(TESTS)`: Which unit tests to execute. Useful in conjunction with the
`make run-tests` target:

make run-tests TESTS=bin/Debug/Java.Interop.Dynamic-Tests.dll
make run-tests TESTS=bin/Debug/Java.Interop-Tests.dll

* `$(V)`: If set to a non-empty string, adds `/v:diag` to `$(MSBUILD_FLAGS)`
invocations.
* `$(MSBUILD)`: The MSBuild build tool to execute for builds.
Default value is `xbuild`.


14 changes: 0 additions & 14 deletions Java.Interop.sln
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Expand Up @@ -17,8 +17,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Java.Interop", "src\Java.In
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "java-interop", "src\java-interop\java-interop.csproj", "{BB0AB9F7-0979-41A7-B7A9-877260655F94}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Java.Interop.Dynamic", "src\Java.Interop.Dynamic\Java.Interop.Dynamic.csproj", "{AD4468F8-8883-434B-9D4C-E1801BB3B52A}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Java.Interop.Tools.JavaSource", "src\Java.Interop.Tools.JavaSource\Java.Interop.Tools.JavaSource.csproj", "{5C0B3562-8DA0-4726-9762-75B9709ED6B7}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Desktop", "Desktop", "{0998E45F-8BCE-4791-A944-962CD54E2D80}"
Expand All @@ -39,8 +37,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TestJVM", "tests\TestJVM\Te
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Java.Interop-Tests", "tests\Java.Interop-Tests\Java.Interop-Tests.csproj", "{04E28441-36FF-4964-ADD7-EFBB47CCE406}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Java.Interop.Dynamic-Tests", "tests\Java.Interop.Dynamic-Tests\Java.Interop.Dynamic-Tests.csproj", "{82B1DD53-69CA-4A61-B6B1-F06F1525EF4D}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "logcat-parse-Tests", "tests\logcat-parse-Tests\logcat-parse-Tests.csproj", "{DB05D566-0BA0-4935-868D-689E2F03688E}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Xamarin.Android.Tools.Bytecode-Tests", "tests\Xamarin.Android.Tools.Bytecode-Tests\Xamarin.Android.Tools.Bytecode-Tests.csproj", "{C9FA4492-DEB0-4932-A6B8-E2C4E0581692}"
Expand Down Expand Up @@ -139,10 +135,6 @@ Global
{BB0AB9F7-0979-41A7-B7A9-877260655F94}.Debug|Any CPU.Build.0 = Debug|Any CPU
{BB0AB9F7-0979-41A7-B7A9-877260655F94}.Release|Any CPU.ActiveCfg = Release|Any CPU
{BB0AB9F7-0979-41A7-B7A9-877260655F94}.Release|Any CPU.Build.0 = Release|Any CPU
{AD4468F8-8883-434B-9D4C-E1801BB3B52A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{AD4468F8-8883-434B-9D4C-E1801BB3B52A}.Debug|Any CPU.Build.0 = Debug|Any CPU
{AD4468F8-8883-434B-9D4C-E1801BB3B52A}.Release|Any CPU.ActiveCfg = Release|Any CPU
{AD4468F8-8883-434B-9D4C-E1801BB3B52A}.Release|Any CPU.Build.0 = Release|Any CPU
{5C0B3562-8DA0-4726-9762-75B9709ED6B7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{5C0B3562-8DA0-4726-9762-75B9709ED6B7}.Debug|Any CPU.Build.0 = Debug|Any CPU
{5C0B3562-8DA0-4726-9762-75B9709ED6B7}.Release|Any CPU.ActiveCfg = Release|Any CPU
Expand Down Expand Up @@ -175,10 +167,6 @@ Global
{04E28441-36FF-4964-ADD7-EFBB47CCE406}.Debug|Any CPU.Build.0 = Debug|Any CPU
{04E28441-36FF-4964-ADD7-EFBB47CCE406}.Release|Any CPU.ActiveCfg = Release|Any CPU
{04E28441-36FF-4964-ADD7-EFBB47CCE406}.Release|Any CPU.Build.0 = Release|Any CPU
{82B1DD53-69CA-4A61-B6B1-F06F1525EF4D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{82B1DD53-69CA-4A61-B6B1-F06F1525EF4D}.Debug|Any CPU.Build.0 = Debug|Any CPU
{82B1DD53-69CA-4A61-B6B1-F06F1525EF4D}.Release|Any CPU.ActiveCfg = Release|Any CPU
{82B1DD53-69CA-4A61-B6B1-F06F1525EF4D}.Release|Any CPU.Build.0 = Release|Any CPU
{DB05D566-0BA0-4935-868D-689E2F03688E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{DB05D566-0BA0-4935-868D-689E2F03688E}.Debug|Any CPU.Build.0 = Debug|Any CPU
{DB05D566-0BA0-4935-868D-689E2F03688E}.Release|Any CPU.ActiveCfg = Release|Any CPU
Expand Down Expand Up @@ -313,7 +301,6 @@ Global
{D14A1B5C-2060-4930-92BE-F7190256C735} = {C8F58966-94BF-407F-914A-8654F8B8AE3B}
{94BD81F7-B06F-4295-9636-F8A3B6BDC762} = {4C173212-371D-45D8-BA83-9226194F48DC}
{BB0AB9F7-0979-41A7-B7A9-877260655F94} = {4C173212-371D-45D8-BA83-9226194F48DC}
{AD4468F8-8883-434B-9D4C-E1801BB3B52A} = {4C173212-371D-45D8-BA83-9226194F48DC}
{5C0B3562-8DA0-4726-9762-75B9709ED6B7} = {0998E45F-8BCE-4791-A944-962CD54E2D80}
{5887B410-D448-4257-A46B-EAC03C80BE93} = {0998E45F-8BCE-4791-A944-962CD54E2D80}
{B17475BC-45A2-47A3-B8FC-62F3A0959EE0} = {0998E45F-8BCE-4791-A944-962CD54E2D80}
Expand All @@ -322,7 +309,6 @@ Global
{41DFB021-F795-4EB6-8E53-0D069C0BED9F} = {0998E45F-8BCE-4791-A944-962CD54E2D80}
{A76309AB-98AC-4AE2-BA30-75481420C52F} = {271C9F30-F679-4793-942B-0D9527CB3E2F}
{04E28441-36FF-4964-ADD7-EFBB47CCE406} = {271C9F30-F679-4793-942B-0D9527CB3E2F}
{82B1DD53-69CA-4A61-B6B1-F06F1525EF4D} = {271C9F30-F679-4793-942B-0D9527CB3E2F}
{DB05D566-0BA0-4935-868D-689E2F03688E} = {271C9F30-F679-4793-942B-0D9527CB3E2F}
{C9FA4492-DEB0-4932-A6B8-E2C4E0581692} = {271C9F30-F679-4793-942B-0D9527CB3E2F}
{891F2E04-5614-4A26-A78F-3778025ECF43} = {271C9F30-F679-4793-942B-0D9527CB3E2F}
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2 changes: 0 additions & 2 deletions Makefile
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Expand Up @@ -22,7 +22,6 @@ NET_SUFFIX = -net7.0

TESTS = \
bin/Test$(CONFIGURATION)/Java.Interop-Tests.dll \
bin/Test$(CONFIGURATION)/Java.Interop.Dynamic-Tests.dll \
bin/Test$(CONFIGURATION)/Java.Interop.Tools.JavaCallableWrappers-Tests.dll \
bin/Test$(CONFIGURATION)/Java.Interop.Tools.JavaSource-Tests.dll \
bin/Test$(CONFIGURATION)/logcat-parse-Tests.dll \
Expand Down Expand Up @@ -95,7 +94,6 @@ bin/Test$$(CONFIGURATION)/$(1)-Tests.dll: $(wildcard src/$(1)/*/*.cs src/$(1)/Te
endef # TestAssemblyTemplate

$(eval $(call TestAssemblyTemplate,Java.Interop))
$(eval $(call TestAssemblyTemplate,Java.Interop.Dynamic))
$(eval $(call TestAssemblyTemplate,Java.Interop.Export))
$(eval $(call TestAssemblyTemplate,Java.Interop.Tools.JavaCallableWrappers))

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5 changes: 3 additions & 2 deletions build-tools/automation/templates/core-tests.yaml
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Expand Up @@ -64,10 +64,11 @@ steps:

- template: run-dotnet-test.yaml
parameters:
testRunTitle: Java.Interop.Dynamic (${{ parameters.platformName }})
testAssemblyName: Java.Interop.Dynamic-Tests
testRunTitle: Java.Interop-Performance ($(DotNetTargetFramework) - ${{ parameters.platformName }})
testAssemblyName: Java.Interop-PerformanceTests
condition: eq('${{ parameters.runNativeTests }}', 'true')
retryCount: 1
extraArguments: --logger "console;verbosity=detailed"

- template: run-dotnet-test.yaml
parameters:
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26 changes: 0 additions & 26 deletions src/Java.Interop.Dynamic/Java.Interop.Dynamic.csproj
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146 changes: 0 additions & 146 deletions src/Java.Interop.Dynamic/Java.Interop.Dynamic/DynamicJavaClass.cs
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