MAUI10 Thin binding around Mapbox crash at runtime

[jpritchard-isl]

Android framework version

net10.0-android

Affected platform version

.net 10 - VS2026

Description

Including a binding project in an MAUI Android app. The binding project is on a thin binding kotlin class library that wraps around Mapbox 11.
At runtime the app crashes after the splash screen and the following error is logged.
Previously a .net 8 binding porject around the same kotlin class library did not have this issue.

Attempts to fix:

• Updating .net 8 binding using Copilot, Upgrade Assistant or Manually
• Creating new .net 10 binding project
• Following advice in https://github.com/dotnet/java-interop/wiki/Troubleshooting-Android-Bindings-Issues

Steps to Reproduce

1. Checkout the repo at https://github.com/jpritchard-isl/maui-interop-issues
2. Insert your Mapbox download and access keys in the Native andoird build.gradles and build the kotlin class libary to an aar.
3. Copy the built .aar and the downloaded mapbox aars to the JarsAndArrs folder in the binding project
4. Build and run the app on emulator or physical device (tried x86-64 and Arm architectures)

Did you find any workaround?

No response

Relevant log output

Time	Device Name	Type	PID	Tag	Message
03-03 13:39:59.795	pixel_tablet_-_api_36	Debug	7593	nativeloader	Load /data/app/~~NarFGaFkcZkuLc0c-3ntCg==/com.companyname.demoissueapp-ZPLEHqSlHXLpERIZRPphUA==/lib/x86_64/libmapbox-common.so using class loader ns clns-9 (caller=/data/app/~~NarFGaFkcZkuLc0c-3ntCg==/com.companyname.demoissueapp-ZPLEHqSlHXLpERIZRPphUA==/base.apk!classes3.dex): ok
03-03 13:39:59.925	pixel_tablet_-_api_36	Error	7593	me.demoissueapp	No implementation found for java.lang.String com.mapbox.common.Version.getCommonSDKVersionString() (tried Java_com_mapbox_common_Version_getCommonSDKVersionString and Java_com_mapbox_common_Version_getCommonSDKVersionString__) - is the library loaded, e.g. System.loadLibrary?
03-03 13:39:59.921	pixel_tablet_-_api_36	Info	7593	me.demoissueapp	Thread[1,tid=7593,Native,Thread*=0x70f39758f380,peer=0x738c0f78,"main"] recursive attempt to load library "/data/app/~~NarFGaFkcZkuLc0c-3ntCg==/com.companyname.demoissueapp-ZPLEHqSlHXLpERIZRPphUA==/lib/x86_64/libmapbox-common.so"
03-03 13:39:59.840	pixel_tablet_-_api_36	Info	7593	MapboxInitializer	MapboxInitializer started MapboxSDKCommonInitializerImpl initialization, attempt 1
03-03 13:39:59.837	pixel_tablet_-_api_36	Info	7593	me.demoissueapp	hiddenapi: Accessing hidden method Landroid/app/ActivityThread;->getApplication()Landroid/app/Application; (runtime_flags=0, domain=platform, api=unsupported) from Lcom/mapbox/common/BaseMapboxInitializer$Companion; (domain=app) using reflection: allowed
03-03 13:39:59.837	pixel_tablet_-_api_36	Info	7593	me.demoissueapp	hiddenapi: Accessing hidden method Landroid/app/ActivityThread;->currentActivityThread()Landroid/app/ActivityThread; (runtime_flags=0, domain=platform, api=unsupported) from Lcom/mapbox/common/BaseMapboxInitializer$Companion; (domain=app) using reflection: allowed
03-03 13:39:59.837	pixel_tablet_-_api_36	Warning	7593	MapboxInitializer	Trying to call static BaseMapboxInitializer.init() before running BaseMapboxInitializer.create()! Please make sure that Mapbox SDK is initialized before any APIs are called.

[jonathanpeppers]

Is this the same as:

• java.lang.ExceptionInInitializerError on dotnet 10 #10848

We are hoping to fix with:

• Support for exempting native libraries from JNI preload #10787

This will be in .NET 11 Preview 2, and maybe you can help us test when it's released? Thanks.

[jpritchard-isl]

Indeed it does sound like the same issue. Happy to help test the fix as this currently blocks out application going into production use

[jonathanpeppers]

You can try a nightly build with:

> dotnet workload config --update-mode manifests
...
> dotnet workload install android --source https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-android-7ee6bacf/nuget/v3/index.json --source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json

Then verify you have:

> dotnet workload list

Installed Workload Id      Manifest Version         Installation Source
-----------------------------------------------------------------------------------
android                    36.1.48/10.0.100         SDK 10.0.100

You would also need to test the new <ItemGroup>:

<ItemGroup>
  <AndroidNativeLibraryNoJniPreload Include="libMyLibrary.so" />
</ItemGroup>

[joagyl]

I can confirm that this resolves the same issue with the Adyen Drop-in components, and everything appears to be functioning smoothly. Excellent work.

Do you have an estimated timeline for when this might be included in a release?

[jpritchard-isl]

I'm getting errors about maccatalyst 9 and ios 9 packages not being available when running the workload install. Once I have that sorted I'll retest

[sleushunou]

You can try a nightly build with:

> dotnet workload config --update-mode manifests
...
> dotnet workload install android --source https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-android-7ee6bacf/nuget/v3/index.json --source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json

Then verify you have:

> dotnet workload list

Installed Workload Id      Manifest Version         Installation Source
-----------------------------------------------------------------------------------
android                    36.1.48/10.0.100         SDK 10.0.100

You would also need to test the new <ItemGroup>:

I tested this workload with my mapbox issue #10848
Issue not reproduced with this workload

Can you confirm that this will be included in DotNet 10? DotNet 11 will be released too late; in September, it will no longer be possible to upload DotNet 9 apps to Google Play.

[jpritchard-isl]

I can confirm this is working with .net 11 Preview 2

[otretiak]

Could it be merged to .net10, please?

[mgierlasinski]

Hi, is there a chance to release this fix for NET10 before May 12, 2026? We are blocked with update from 9 to 10 because of this.

EDIT:
Looks like 5 days ago there was an update:
https://github.com/dotnet/android/releases/tag/36.1.53

[jonathanpeppers]

The fix is in the latest release:

• https://github.com/dotnet/android/releases/tag/36.1.53

Please let us know if something doesn't work, an example:

• MAUI10 Thin binding around Mapbox crash at runtime #10878 (comment)

Thanks!