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Which version of Qt am I using? How do I find out?
To find out which version(s) of Qt are installed on your machine, open Qt Creator > Tools > Options... > Kits > Kits. In the above example, 5 separate versions of Qt have been installed...
View Article[[qanda:topic_solved]] qt.qpa.plugin: Could not load the Qt platform plugin...
Environment: Ubuntu20.10; Qt 5.15.2, VirtualBox VM: The solution provided by @Legendary no longer works, use this instead: $ sudo apt-get install libxcb-randr0-dev libxcb-xtest0-dev...
View Article[[qanda:topic_unsolved]] qt.qpa.xcb could not connect to display
Hi and welcome to devnet, The use of the xcb plugin requires an Xorg server to be active which you likely do not have on your server. One way to make it work would be to use the offscreen backend.
View Article[[qanda:topic_unsolved]] linuxdeployqt copies default (old) libraries...
Try manually passing qmake path to linuxdeployqt with -qmake flag: linuxdeployqt -qmake=/home/davide/Qt/5.15.2/gcc_64/bin/qmake
View Article[[qanda:topic_unsolved]] Qt 5.15.2 no install Linix Mint
Hello! I would like to get a detailed answer to my problem, because I search and find only parts of the answer to my problem. The problem itself is this: Error during installation process...
View Article[[qanda:topic_unsolved]] Struggling to setup Raspberry Pi cross-compile
Hi and welcome to devnet, Since this guide is for Qt 5, switch your clone branch to Qt 5.15. The default branch on clone is dev which is for Qt 6.
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[[qanda:topic_unsolved]] Unable to create Qt quick project with Qt6
I have downloaded and installed Qt6 (latest release of open source users) with QtCreator 4.14.2. My Problem is that, when I want to create a new project, I am not able to create a Qt Quick Application....
View Article[[qanda:topic_unsolved]] Smart pi touch
Hello I am working on deploying Qt app on Rpi3 using buildroot toolchain . I display my app on SMART Pi TOUCH . But when i touch the button nothing change it's not working . Is the Smart pi touch need...
View Article[[qanda:topic_unsolved]] Delpoying QT App on RPi3
Hi Did you also install some fonts on your image/pi install ?
View Article[[qanda:topic_unsolved]] I want convert from .pro to CMake, so how do I...
Hi, See this stack overflow answer for a possible way to do it. If it does not work, then you might as well just the open the files in the browser and copy their content.
View Article[[qanda:topic_unsolved]] Note: The following modules are not being compiled...
@aamp QtWebEngine and emscripten?! What are you trying? Running a webbrowser inside a webbrowser? https://doc.qt.io/qt-5/qtwebengine-platform-notes.html
View Article[[qanda:topic_unsolved]] Qt app fails silently on deployment
@mantra said in Qt app fails silently on deployment: every time i try to run my app on a VM it displays an empty white window and fails silently with No error message or diagnostic output. Are you...
View Article[[qanda:topic_unsolved]] perl init-repository without examples
Hi, You can't. They are part of the repositories themselves.
View Article[[qanda:topic_unsolved]] Qt creator missing examples, lubuntu
In my case, the examples only show up when I run "sudo qtcreator". The problem now is how to make them show up without "sudo".
View Article[[qanda:topic_unsolved]] Qt 5.8 Installation and Qt Creator launch issue
Sadly I regard this as a LOUD IGNORED BUG by QT developers and a THE WORST ERROR MESSAGE TEXT THAT THERE EVER WAS INVENTED! I have the same problem building Qt-Creator in APRIL 2021 here. Same last...
View Article[[qanda:topic_unsolved]] How to Install QT Creator 4.2.1 Based on Qt 5.8.0...
@JonexElectronic said in How to Install QT Creator 4.2.1 Based on Qt 5.8.0 (GCC 5.3.1) ?: @sierdzio I tried but I couldn't find the Qt version 5.8.0 and also i dont know how to install separately....
View Article[[qanda:topic_unsolved]] Fresh build of Qt 5.15: Could not load Qt platform...
Hello, I've just compiled Qt 5.15 (.2) by obtaining it from download.qt.io, and obtained QtCreator via APT for Ubuntu 20.04.5 LTS. However, after downloading my application, and compiling it, it fails...
View Article[[qanda:topic_unsolved]] Share a static build of Qt 5.12.1
Hi! I'm trying to share the static Qt Kit version that I compile but it is throwing errors during app building due to missing mingw static dependencies. (That took me the whole day) The Qt source code...
View Article[[qanda:topic_unsolved]] Mentioned Platform support, development or runtime?
Looking at supported Platforms for Qt 5.15: https://doc.qt.io/qt-5/supported-platforms.html For macOS Supported platforms include 10.13, 10.14,10.15. Does that mean I can Build Qt and my Qt application...
View Article[[qanda:topic_unsolved]] Qt 5.15.2 do not build libqxcb.so, BUT at the same...
Platform Ubuntu 18.04 I built Qt 5.15.2 library but I can't use it because libxcb.so wich is should be at "qtbase/plugins/platforms/" is build built. When I start my application it filed:...
View Article[[qanda:topic_unsolved]] Configuration-generated definitions are not seen...
The problem seems to stem from qglobals.h including qconfig-boostrapped.h when building qtbase/src/tools/boostrap, instead of the generated qtcore-config.h. This file does not define QT_POSIX_IPC, and...
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[[qanda:topic_unsolved]] Building QT6 from Source failed (qtbase...
Hi there.. I´m fairly new in building stuff from source... but i need to in order to use QT with LGPL License... So i follow the Manual here: link Building QT6 from Source Using Windows10 (64Bit) And...
View Article[[qanda:topic_unsolved]] Official guide for compiling static QT with SSL...
Hi and welcome to devnet, While I understand your frustration, please do not post the same question in multiple sub forum. Duplicate Closing this one
View Article[[qanda:topic_unsolved]] Cannot start the project in Qt for Mac OS
@loa3 You don't need Java if you target MacOS. For which exact platform do you want to build your app?
View Article[[qanda:topic_unsolved]] Schoolproject
Hi, Based on the recent threads we had on the forum, you likely have a too old library version on your system. You can check that using ldd on the xcb plugin. If so, the quick and dirty solution is to...
View Article[[qanda:topic_unsolved]] how to statically compile Qt using MinGW compiler...
i am facing the same nightmare. it's 2weeks i'm stuck tryin' to obtain my static +openssl build and...no way. No issues compiling without openssl support. Any progress on that? Seems that nobody wants...
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