1 # include "HalconCpp.h" # include "HDevThread.h" # include <X11/Xlib.h> # include <stdio.h> using namespace HalconCpp; // Main procedure void action() { // Local iconic variables HObject ho_Die, ho_Brightregion, ho_ROI, h
Qt 调用 Java 方法笔记 假设遇到相似的错误: error: undefined reference to '_jstring* QAndroidJniObject::callStaticMethod<_jstring*>(char const*, char const*)' 那就是你使用了一个错误的函数来调用 Java 方法了. The main difference is that QAndroidJniObject::callMethod returns a primitive d