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[Mono.Android] use GetJniTypeNameFromInstance() (#9820)
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Context: #9747

A .NET MAUI + NativeAOT project fails with:

	E AndroidRuntime: net.dot.jni.internal.JavaProxyThrowable: System.DllNotFoundException: DllNotFound_Linux, xa-internal-api,
	E AndroidRuntime: dlopen failed: library "xa-internal-api.so" not found
	E AndroidRuntime: dlopen failed: library "libxa-internal-api.so" not found
	E AndroidRuntime: dlopen failed: library "xa-internal-api" not found
	E AndroidRuntime: dlopen failed: library "libxa-internal-api" not found
	E AndroidRuntime:
	E AndroidRuntime:    at System.Runtime.InteropServices.NativeLibrary.LoadLibErrorTracker.Throw(String) + 0x4c
	E AndroidRuntime:    at Internal.Runtime.CompilerHelpers.InteropHelpers.FixupModuleCell(InteropHelpers.ModuleFixupCell*) + 0xe4
	E AndroidRuntime:    at Internal.Runtime.CompilerHelpers.InteropHelpers.ResolvePInvokeSlow(InteropHelpers.MethodFixupCell*) + 0x40
	E AndroidRuntime:    at Android.Runtime.RuntimeNativeMethods.monodroid_TypeManager_get_java_class_name(IntPtr) + 0x2c
	E AndroidRuntime:    at Java.Interop.TypeManager.GetClassName(IntPtr) + 0x10
	E AndroidRuntime:    at Android.Runtime.JNIEnv.GetClassNameFromInstance(IntPtr) + 0x1c
	E AndroidRuntime:    at Android.Runtime.JNIEnv.GetConverter[TValue](Dictionary`2, Type, IntPtr) + 0x6c
	E AndroidRuntime:    at Android.Runtime.JNIEnv.CopyArray[T](IntPtr, T[]) + 0x90
	E AndroidRuntime:    at Android.Graphics.Drawables.LayerDrawable..ctor(Drawable[] layers) + 0x1a4
	E AndroidRuntime:    at Microsoft.Maui.Platform.MauiRippleDrawableExtensions.UpdateMauiRippleDrawableBackground(View, Paint, IButtonStroke, Func`1, Func`1, Action) + 0x2ac
	E AndroidRuntime:    at Microsoft.Maui.PropertyMapper.UpdateProperties(IElementHandler, IElement) + 0x64
	E AndroidRuntime:    at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler) + 0x124
	E AndroidRuntime:    at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement, IMauiContext) + 0x160
	E AndroidRuntime:    at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement, IMauiContext) + 0x28
	E AndroidRuntime:    at Microsoft.Maui.Handlers.LayoutHandler.SetVirtualView(IView) + 0xd4
	E AndroidRuntime:    at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler) + 0x124
	E AndroidRuntime:    at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement, IMauiContext) + 0x160
	E AndroidRuntime:    at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement, IMauiContext) + 0x28
	E AndroidRuntime:    at Microsoft.Maui.Handlers.ScrollViewHandler.UpdateInsetView(IScrollView, IScrollViewHandler, ICrossPlatformLayout) + 0x34
	E AndroidRuntime:    at Microsoft.Maui.PropertyMapper.UpdateProperties(IElementHandler, IElement) + 0x64
	E AndroidRuntime:    at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler) + 0x124
	E AndroidRuntime:    at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement, IMauiContext) + 0x160
	E AndroidRuntime:    at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement, IMauiContext) + 0x28
	E AndroidRuntime:    at Microsoft.Maui.Handlers.ContentViewHandler.UpdateContent(IContentViewHandler) + 0xb4
	E AndroidRuntime:    at Microsoft.Maui.PropertyMapper.UpdateProperties(IElementHandler, IElement) + 0x64
	E AndroidRuntime:    at Microsoft.Maui.Handlers.ContentViewHandler.SetVirtualView(IView) + 0x18
	E AndroidRuntime:    at Microsoft.Maui.Controls.Element.SetHandler(IElementHandler) + 0x124
	E AndroidRuntime:    at Microsoft.Maui.Platform.ElementExtensions.ToHandler(IElement, IMauiContext) + 0x160
	E AndroidRuntime:    at Microsoft.Maui.Platform.ElementExtensions.ToPlatform(IElement, IMauiContext) + 0x28
	E AndroidRuntime:    at Microsoft.Maui.Controls.Platform.Compatibility.ShellFragmentContainer.OnCreateView(LayoutInflater, ViewGroup, Bundle) + 0x64
	E AndroidRuntime:    at AndroidX.Fragment.App.Fragment.n_OnCreateView_Landroid_view_LayoutInflater_Landroid_view_ViewGroup_Landroid_os_Bundle_(IntPtr jnienv, IntPtr native__this, IntPtr native_inflater, IntPtr native_container, IntPtr native_savedInstanceState) + 0x104
	E AndroidRuntime: 	at crc640ec207abc449b2ca.ShellFragmentContainer.n_onCreateView(Native Method)
	E AndroidRuntime: 	at crc640ec207abc449b2ca.ShellFragmentContainer.onCreateView(ShellFragmentContainer.java:38)
	E AndroidRuntime: 	at androidx.fragment.app.Fragment.performCreateView(Fragment.java:3119)
	E AndroidRuntime: 	at androidx.fragment.app.FragmentStateManager.createView(FragmentStateManager.java:577)
	E AndroidRuntime: 	at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:286)
	E AndroidRuntime: 	at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2214)
	E AndroidRuntime: 	at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:2109)
	E AndroidRuntime: 	at androidx.fragment.app.FragmentManager.execSingleAction(FragmentManager.java:2002)
	E AndroidRuntime: 	at androidx.fragment.app.BackStackRecord.commitNow(BackStackRecord.java:317)
	E AndroidRuntime: 	at androidx.viewpager2.adapter.FragmentStateAdapter.placeFragmentInViewHolder(FragmentStateAdapter.java:342)
	E AndroidRuntime: 	at androidx.viewpager2.adapter.FragmentStateAdapter.onViewAttachedToWindow(FragmentStateAdapter.java:273)
	E AndroidRuntime: 	at androidx.viewpager2.adapter.FragmentStateAdapter.onViewAttachedToWindow(FragmentStateAdapter.java:73)
	E AndroidRuntime: 	at androidx.recyclerview.widget.RecyclerView.dispatchChildAttached(RecyclerView.java:8377)
	E AndroidRuntime: 	at androidx.recyclerview.widget.RecyclerView$5.addView(RecyclerView.java:954)
	E AndroidRuntime: 	at androidx.recyclerview.widget.ChildHelper.addView(ChildHelper.java:131)
	E AndroidRuntime: 	at androidx.recyclerview.widget.RecyclerView$LayoutManager.addViewInt(RecyclerView.java:9430)
	E AndroidRuntime: 	at androidx.recyclerview.widget.RecyclerView$LayoutManager.addView(RecyclerView.java:9388)
	E AndroidRuntime: 	at androidx.recyclerview.widget.RecyclerView$LayoutManager.addView(RecyclerView.java:9375)
	E AndroidRuntime: 	at androidx.recyclerview.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1676)
	E AndroidRuntime: 	at androidx.recyclerview.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1622)
	E AndroidRuntime: 	at androidx.recyclerview.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:687)
	E AndroidRuntime: 	at androidx.recyclerview.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:4645)
	E AndroidRuntime: 	at androidx.recyclerview.widget.RecyclerView.dispatchLayout(RecyclerView.java:4348)
	E AndroidRuntime: 	at androidx.recyclerview.widget.RecyclerView.onLayout(RecyclerView.java:4919)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at androidx.viewpager2.widget.ViewPager2.onLayout(ViewPager2.java:535)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at com.google.android.material.appbar.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:149)
	E AndroidRuntime: 	at com.google.android.material.appbar.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:43)
	E AndroidRuntime: 	at com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:2365)
	E AndroidRuntime: 	at androidx.coordinatorlayout.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:953)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:332)
	E AndroidRuntime: 	at android.widget.FrameLayout.onLayout(FrameLayout.java:270)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1891)
	E AndroidRuntime: 	at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1729)
	E AndroidRuntime: 	at android.widget.LinearLayout.onLayout(LinearLayout.java:1638)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:332)
	E AndroidRuntime: 	at android.widget.FrameLayout.onLayout(FrameLayout.java:270)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at androidx.drawerlayout.widget.DrawerLayout.onLayout(DrawerLayout.java:1273)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1891)
	E AndroidRuntime: 	at android.widget.LinearLayout.layoutHorizontal(LinearLayout.java:1880)
	E AndroidRuntime: 	at android.widget.LinearLayout.onLayout(LinearLayout.java:1640)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:332)
	E AndroidRuntime: 	at android.widget.FrameLayout.onLayout(FrameLayout.java:270)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:332)
	E AndroidRuntime: 	at android.widget.FrameLayout.onLayout(FrameLayout.java:270)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:332)
	E AndroidRuntime: 	at android.widget.FrameLayout.onLayout(FrameLayout.java:270)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1891)
	E AndroidRuntime: 	at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1729)
	E AndroidRuntime: 	at android.widget.LinearLayout.onLayout(LinearLayout.java:1638)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:332)
	E AndroidRuntime: 	at android.widget.FrameLayout.onLayout(FrameLayout.java:270)
	E AndroidRuntime: 	at com.android.internal.policy.DecorView.onLayout(DecorView.java:807)
	E AndroidRuntime: 	at android.view.View.layout(View.java:25159)
	E AndroidRuntime: 	at android.view.ViewGroup.layout(ViewGroup.java:6460)
	E AndroidRuntime: 	at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:4562)
	E AndroidRuntime: 	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:3830)
	E AndroidRuntime: 	at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:2718)
	E AndroidRuntime: 	at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:9937)
	E AndroidRuntime: 	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1406)
	E AndroidRuntime: 	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1415)
	E AndroidRuntime: 	at android.view.Choreographer.doCallbacks(Choreographer.java:1015)
	E AndroidRuntime: 	at android.view.Choreographer.doFrame(Choreographer.java:945)
	E AndroidRuntime: 	at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1389)
	E AndroidRuntime: 	at android.os.Handler.handleCallback(Handler.java:959)
	E AndroidRuntime: 	at android.os.Handler.dispatchMessage(Handler.java:100)
	E AndroidRuntime: 	at android.os.Looper.loopOnce(Looper.java:232)
	E AndroidRuntime: 	at android.os.Looper.loop(Looper.java:317)
	E AndroidRuntime: 	at android.app.ActivityThread.main(ActivityThread.java:8592)
	E AndroidRuntime: 	at java.lang.reflect.Method.invoke(Native Method)
	E AndroidRuntime: 	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:580)
	E AndroidRuntime: 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:878)

Update `Android.Runtime.JNIEnv.GetClassNameFromInstance()` to call
`JniEnvironment.Types.GetJniTypeNameFromInstance()` instead of
`Java.Interop.TypeManager.GetClassName()`.  This avoids the P/Invoke,
fixing the `DllNotFoundException`.
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@jonathanpeppers
jonathanpeppers authored Feb 21, 2025
1 parent f370b72 commit bae53be
Showing 1 changed file with 1 addition and 6 deletions.
7 changes: 1 addition & 6 deletions src/Mono.Android/Android.Runtime/JNIEnv.cs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -396,12 +396,7 @@ public static unsafe IntPtr NewObject (IntPtr jclass, IntPtr jmethod, params JVa

public static string GetClassNameFromInstance (IntPtr jobject)
{
IntPtr jclass = GetObjectClass (jobject);
try {
return Java.Interop.TypeManager.GetClassName (jclass);
} finally {
DeleteLocalRef (jclass);
}
return JniEnvironment.Types.GetJniTypeNameFromInstance (new JniObjectReference (jobject));
}

[MethodImplAttribute(MethodImplOptions.InternalCall)]
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