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Fix Android NativeAOT JNI string access #130042

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Merged
sbomer merged 4 commits into from
Jun 30, 2026
Merged

Fix Android NativeAOT JNI string access #130042

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2350a60
Fix Android NativeAOT JNI string access
sbomer Jun 30, 2026
38f1005
Re-enable Android NativeAOT tests fixed by JNI change
sbomer Jun 30, 2026
b733872
Merge origin/main into Android NativeAOT JNI fix
sbomer Jun 30, 2026
c425bc5
Always release JNI UTF chars
sbomer Jun 30, 2026
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5 changes: 3 additions & 2 deletions src/tasks/AndroidAppBuilder/Templates/monodroid-nativeaot.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -120,7 +120,8 @@ internal unsafe struct JNIEnv
{
fixed (JNIEnv* thisptr = &this)
{
byte* chars = NativeInterface->GetStringUTFChars(thisptr, str, out byte isCopy);
byte isCopy;
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byte* chars = NativeInterface->GetStringUTFChars(thisptr, str, &isCopy);
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if (chars is null)
return null;

Expand Down Expand Up @@ -383,7 +384,7 @@ unsafe struct JNINativeInterface

void* NewStringUTF;
delegate* unmanaged[Cdecl]<JNIEnv*, JString, int> GetStringUTFLength;
public delegate* unmanaged[Cdecl]<JNIEnv*, JString, out byte, byte*> GetStringUTFChars;
public delegate* unmanaged[Cdecl]<JNIEnv*, JString, byte*, byte*> GetStringUTFChars;
public delegate* unmanaged[Cdecl]<JNIEnv*, JString, byte*, void> ReleaseStringUTFChars;
public delegate* unmanaged[Cdecl]<JNIEnv*, JObjectArray, JSize> GetArrayLength;

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