JNA does not support mapping of c++ classes, so if you’re using c++ library you will need a jni wrapper If you need a lot of memory copying. For example, you call one method which returns you a large byte buffer, you change something in it, then you need to call another method which uses … Read more
In my case this particular problem happened when I was trying to archive a 0.40+ react-native app for iOS (solution was found here: Reliable build on ^0.39.2 fails when upgrading to ^0.40.0). What happened was that Xcode was trying to build the react-native libraries in parallel and was building libraries with implicit react dependencies before … Read more
Update August 2019 I’ve been using electron-builder for more than a year now, packaging my app for macOS, Windows 10, and Ubuntu Desktop. The maintainer, develar, added a great docs site earlier this year, and has been staying on top of gatekeeper changes to macOS to ensure installers and updaters still work. Update November 2018 … Read more
Minimal runnable example Main.java public class Main { public native int square(int i); public static void main(String[] args) { System.loadLibrary(“Main”); System.out.println(new Main().square(2)); } } Main.c #include <jni.h> #include “Main.h” JNIEXPORT jint JNICALL Java_Main_square( JNIEnv *env, jobject obj, jint i) { return i * i; } Compile and run: sudo apt-get install build-essential openjdk-7-jdk export JAVA_HOME=’/usr/lib/jvm/java-7-openjdk-amd64′ … Read more