jbyte JObject::CallByteMethod(IN const char* methodName, IN const char* sig, IN ...) { JNIEnv* env = mJNIEnvGetter.get(); jmethodID id = GetMethodID_(env, mJObject, methodName, sig); va_list ap; va_start(ap, sig); jbyte result = env->CallByteMethodV(mJObject, id, ap); va_end(ap); return result; }