class status
{
Contrast mContrast;
}
class Contrast
{
int mValue; <=これにアクセスしたいとき。
}
JNIEXPORT jint JNICALL java_func(
JNIENV *env,
jobject thiz,
jobject statusObject)
{
jfieldID contrastId = (*env)->GetFieldID(env, statusObject, "mContrast", "Ljp/co/myapp/Contrast;");
jobject contrastObject = (*env)->GetObjectField(env, statusObject, contrastId);
jobject contrastClazz = (*env)->GetObjectClass(env, contrastObject);
jfieldID valueId = (*env)->GetFieldID( env, contrastClazz, "mValue", "I");
jint value = (*env)->GetIntField( env, contrastObject, valueId);
(…略…)
}