在控制台尝试打开qtcreator,打开失败,报下面错误。 Failed to create wl_display (No such file or directory) qt.qpa.plugin: Could not load the Qt platform plugin "wayland" in "" even though it was found. This application failed to start because no Qt platform plugin could be initialized. Reins...
报错信息如下: qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found. This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem. Available platform plugins are: eglfs, linuxfb, mi...
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found. This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem. Available platform plugins are: eglfs, linuxfb, minimal, minimale...
(My application uses some external libs). Recently I've ported the application into Qt5.3mingw(windows7). The application built successfully but failed to start within QtCreator and gave "The program has unexpectedly finished.". With debugging the application, it gives this error message: "...
如下图:报错信息如下:qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.Available plat ...
在Android (21.3.6528147)中为QT5.12安装适当版本的Android。
3 .测试MySQL程序(1)打开Qt Creator,新建项目,模板选择为"Qt Console Application ”,项目名称为“sqldrivers”。完成后在文件中添加如下代码:QT += sql然后按下Ctrl+S保存该文件。(2)更改main.cpp文件内容如下。#include <QCoreApplication>#include <QSqlDatabase>#include <QDebug>#incl 63、ude <QString...
The executable is generated by the compiler when you build your application. To know where the executable is stored, look into Projects (CTRL+5) -> Build settings -> General -> Build directory This is where Qt creator will put the .exe it generates if you have shadow build enabled. If ...
but when I want to use this function: updateSignal.connect([](QImageimg){updateCameraView(img);}); I get the following error at compilation: ...\cameraworker.cpp:21: erreur : no matching function for call to 'boost::signals2::signal::connect(CameraWorker::start()::)' updateSignal.con...
前言 今天在虚拟机上安装Ubuntu18.04 ,然后在线安装Qt5.15后,环境变量都设置了,发现启动QtCreator会报错,心酸啊,感觉好麻烦,所以记录下 qt.qpa.plugin: Could not load the Qt platform plugin “xcb” in “” even though it was found. This application failed to start because no Qt platform plugin could...