main.cp

#include <jni.h>
#include <dlfcn.h>
#include <android/log.h>
#include <stdlib.h>
#include <Substrate.h>

class Gui;

void (*_Gui$renderHearts)(Gui* self);
void Gui$renderHearts(Gui *self) {
}


JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
    void* handle = dlopen("libminecraftpe.so", RTLD_LAZY); 
    void* Gui$renderHearts_ = dlsym(handle, "_ZN3Gui12renderHeartsEv");

    MSHookFunction(Gui$renderHearts_, (void*) &Gui$renderHearts, (void**) &_Gui$renderHearts);

	return JNI_VERSION_1_2;
}