Passage d ’un objet Java (2 - Code natif)
#include <jni.h>
extern "C" JNIEXPORT void JNICALL Java_UseObjects_changeObject( JNIEnv* env, jobject,jobject obj) { jclass clas = env->GetObjectClass(obj); jfieldID fid = env->GetFieldID(clas, "aValue", "I"); jmethodID mid = env->GetMethodID(clas, "divByTwo", "()V");
int value = env->GetIntField(obj, fid);
printf("Native: %d\n", value); env->SetIntField(obj, fid, 6); env->CallVoidMethod(obj, mid); value = env->GetIntField(obj, fid); printf("Native: %d\n", value); }
