JNI

Обработка обратного вызова JNI для Android

https://forum.cocosengine.org/t/handling-jni-callback-for-android/51653

https://www.codeproject.com/Articles/993067/Calling-Java-from-Cplusplus-with-JNI

https://stackoverflow.com/questions/9630134/jni-how-to-callback-from-c-or-c-to-java

https://github.com/youssefmyh/Android-JNI

https://jawinproject.sourceforge.net/

https://github.com/coralblocks/CoralCpp

https://www.kdab.com/qt-android-episode-5/

https://www3.ntu.edu.sg/home/ehchua/programming/java/javanativeinterface.html

https://w01fe.com/blog/2009/05/c-callbacks-into-java-via-jni-made-easyier/

http://android.wooyd.org/JNIExample/files/JNIExample.pdf

https://groups.google.com/g/android-ndk/c/rejiniqYa68?pli=1

This is a general JNI thing, not specific to Android or the NDK.

See the usual references:
http://java.sun.com/docs/books/jni/html/jniTOC.html
http://java.sun.com/javase/6/docs/technotes/guides/jni/spec/jniTOC.html
http://android.git.kernel.org/?p=platform/dalvik.git;a=blob_plain;f=docs/jni-tips.html;hb=HEAD