Qt Creator is a cross-platform integrated development environment (IDE) using the Qt Framework. Questions about how to use the tool to develop your applications, installation issues.

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Layouts in Qt doesn't work for me, need help

I am starting Qt player for linux and i am stuck at design. Qt(also Glade) got pretty complicated layout behaviour. So far i did this in java. I want to replicate it in Qt: The problem is that ...
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28 views

Installing Qt 4.8.6 instead of the Qt5

I am developing a project wrote from 4 years using qt4.8.6 but the default qt version now is qt5.. How to add qt4 to Qtcreator configuration kit be able to compile and run normally ?? I'm using ...
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1answer
35 views

How to add binary third party libraries in qt creator (Ubuntu-sdk verison of QT-Creator)

I try to write an app for ubuntu unity8 and i use a third party library in that app. My problem is that i would like to use the binary version of that library in my app and not the source files of ...
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How do you remap .vimrc so Ubuntu SDK's fakevim implementation will escape insert mode on <Right>, <Left>, <Home>… etc

Ubuntu SDK has fakevim. Its behavior varies compared to real vim. For example; inoremap <Up> <C-[><Up> inoremap <Down> <Esc><Down> While in Insert Mode, &...
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1answer
48 views

How to install QtRuby + Qt4 on Ubuntu 14?

I wish to program in ruby in QtCreator. If I'm right, I need to install QtRuby + Qt4, but with no success on Ubuntu 14. How to do? Thanks!
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1answer
36 views

Ubuntu SDK unable to play scope

I've just created a Unity Scope project in Ubuntu SDK. However I'm not able to run it, If I target the Desktop, I have the following error : Starting /usr/ubuntu-sdk-ide/share/qtcreator/ubuntu/...
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30 views

Will Ubuntu-SDK as module for other frameworks

I use CLion. For me (and for most people, I suppose) QT Creator is not good choice for working. Will it be possible in the future to install Ubuntu-SDK to other programs (for example CLion)? Because ...
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26 views

module “QtQuick” is not installed

I installed QTCreator through the software center on Ubuntu 14.04. Compilation of a simple program fails with "module "QtQuick" is not installed". As far as I can tell, it should work.
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1answer
366 views

QT Creator cannot start ubuntu apps on ubuntu 16.04

If i create a new project with QT Creator (Ubuntu 16.04) QML App with C++ plugin (cmake) Framework: ubuntu-sdk-15.04.4-qml Desktop Unix-Generator (Desktop) ( CMake works without problems ) I start ...
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1answer
144 views

How to upgrade or downgrade QtCreator?

I am trying to avoid this nasty bug in QtCreator 3.5.1. https://bugreports.qt.io/browse/QTCREATORBUG-15291 I am quite sure that it is not present either in QtCreator 3.6.1 or in QtCreator 3.4.2. ...
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1answer
95 views

How to install Qt verion 4.8.1

How can i install Qt version 4.8.1 in Kubuntu 14.04 ? I cannot find the version 4.8.1 in the official Qt site's downloads list. Kindly help me to install the exact version. Thanks
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Unable start qt creator on ubuntu

I did install qt creator in ubuntu 14.04 using Ubuntu software center, but whenever i click on icon it just flashes but will not start, can please someone tell me the solution so that i can fix this ...
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2answers
95 views

Ubuntu IDE tries to run CMake-based ARM projects on desktop instead of device: bug or what?

I have imported CMake-based project into Ubuntu IDE. It uses plain C++ with no QML components. When I try to run it, it does not deploy to device, but runs on desktop (unsuccessfully, reporting it can'...
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1answer
95 views

How do i make QtCreator to stop using both gtk+2.x and gtk3

I am trying to build an opencv project in QtCreator on an ARM board ( ODROID-XU4). Its a gui application but when i try to execute the code it throws an error "GTK+ 2.x symbols detected. Using ...
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1answer
444 views

qtcreator 3.5.1 (Qt 5.5.1) crashes on Ubuntu 14.04, VritualBox Could not initialize GLX Aborted (core dumped)

I just installed Qt 5.5.1 on Ubuntu 14.04LTS under VirtualBox 5.0.14. I can't runt Qt Creator, after a long list of warnings at the end it prints Could not initialize GLX Aborted (core dumped) ...
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1answer
341 views

QtCreator how to install “Uncrustify” C++ Beautifer?

QtCreator (3.0.1, Ubuntu 14.04 LTS) allows the installation of C++ code Beautifier "Uncrustify", for reformatting existing code. This all looks simple from instructions http://doc.qt.io/qtcreator/...
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1answer
43 views

Command to use guake under qt creator

I want to change default terminal in QT Creator from xterm to guake. I tried some stuff like usr/bin/guake -e and usr/bin/guake -e -n --show etc but it does not work. I will appreciateany sort of help
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2answers
533 views

Where (directory) to install Qt?

I am mainly a Windows user, but need to install Qt/QtC for testing purposes under Ubuntu 14. After downloading the installer (as described here: https://wiki.qt.io/Install_Qt_5_on_Ubuntu ) it wants ...
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44 views

Use Program made in qt to run on linux instead of windows

I have a program that is distributed for both Windows and Mac. Earlier I found out that it is made using qt creator. Is it possible to somehow use qt to make the program run on linux without using ...
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1answer
134 views

Application (Qt Creator) is unresponsive on launch, even after reinstalling

When I try to open Qt Creator, it loads fine but after a couple of seconds, the application window becomes unresponsive and turns gray. I can move the window around, but cannot interact with it. It ...
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1answer
368 views

Ubuntu Qt 5.5.1: error Cannot find -lGL

I have developed an GUI application on Qt 5.3.1. I am using Qt Creator 3.1.2 (based on Qt 5.3.1) to build my GUI application and am able to build and deploy my application successfully. I wanted to ...
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1answer
29 views

launch Qt Creator without Ubuntu SDK add-ons

I want to launch Qt Creator without the additional Ubuntu SDK features. Sometimes I need them and sometimes I don't. Is this possible without uninstalling the SDK? If it is not how can you also ...
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139 views

QtCreator scrolling bug

I've already asked on the Qt forum, but apparently Ubuntu users aren't there. Steps to reproduce: Place the cursor somewhere. Scroll down with a mouse wheel so the cursor is not in sight any more. ...
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196 views

Qt Creator 3.5.1 running slowly in Ubuntu 14.04

I recently installed Qt Creator 3.5.1 on Ubuntu 14.04 LTS and it freezes for several seconds every once and a while (e.g., while editing text). Is this a known problem? How can I go about debugging ...
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92 views

Using qt debug symbols from ppa in qtCreator

How to make use of debug symbols in qtCreator, that are installed using ppa? I use Stephan Binner "Qt 5.5.1 for /opt Trusty" packages, including packages with -dbg postfix. Running command: dpkg-...
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1answer
266 views

QT Creator missing help files?

I have downloaded the offline installer for Qt 5.5.1 for Linux 64-bit. Whenever QT Creator starts, an error message appears saying that the Help cannot be loaded. QT/Tools/QtCreator/lib/qtcreator/...
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41 views

Ubuntu SDK Project

I want to program a WLAN Scanner for my UBUNTU-Phone. I have to use C++. Which project do i have to create ? The Program doesnt have to talk to some kind of ports, it just uses a Textfile that i ...
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1answer
112 views

Moto G not listed by Qt Creator / adb after upgrading to 15.10

I developed happily with my Moto G on Ubuntu 15.04 a while ago. I upgraded to 15.10 and now that I tested it again Qt Creator (official 5.5 SDK) doesn't see the device anymore. Developer mode and ...
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2answers
2k views

Where is the Qt Maintenance Tool?

I've installed QtCreator in Kubuntu 15.10 through apt-get and it say my computer doesn't have the required Qt Kit and can be installed through Qt Maintenance Tool. But I don't think I have Qt ...
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2answers
433 views

Qt Creator menu bar is missing on Lubuntu 15.10

I've just installed Qt 5.5.1 on Lunbuntu 15.10. The main menu bar of Qt Creator is invisible, but I can click it. How do I fix this?
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185 views

How to setup Qt to use blueZ bluetooth stack

I am running btscanner demo in Qt Creator 5.5 but the 'scan' button comes out as disabled perhaps because the bluetooth is not setup right for Qt. I am using Ubuntu 14.04 (virtual machine) and I can ...
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Missing images from Qt Creator examples

I installed in Qt creator (3.0.1 based on Qt 5.2.1) the examples by running sudo apt-get install qtbase5-examples qtbase5-doc-html The examples have been installed, but I can't see any images of ...
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37 views

Disable openssh password for some application

I am running an application which transfer file to other PC but every time i have to enter ssh login password which i had disabled by generating a key between the two PC. I don't want to enter ...
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1answer
138 views

Ubuntu SDK and shared.h

I'm trying to make some experiments with the Ubuntu SDK and I found a problem with the sample files. If I create a new app, I can compile and run it without problems. If I try to select one of the ...
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2answers
930 views

How to perform Qt installation

I downloaded qt-opensource-linux-x86-5.4.1.run but how to install it on ubuntu 14.04LTS? This is the output which I get: administrator@pc-7:~$ cd /home/administrator/Downloads/FlareGet/Applications ...
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Qt Creator had no menu, but Ubuntu update corrected it

Almost up to now I used Qt Creator in a normal window of my Ubuntu 12.04 2d. But then it opened so that it took up the whole screen and its menu was not visible and also the Launcher showed only by ...
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75 views

Ubuntu SDK not working

I have been using the Ubuntu SDK for some time. I also have a separate QT Creator install (which is faster when developing for other platforms than Ubuntu). Today I tried opening an example project (...
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273 views

Qt Creator: Update “Generic Project” .include file after project creation

I have created a generic project in Qt Creator and it creates four files. One of the files is the ProjectName.includes which gets populated when the project is created. I am trying to find a way to ...
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1answer
115 views

QtQuick Controls for armfh kit Ubuntu SDK (Ubuntu 15.04)

An app that I am working on compiles and runs fine on the desktop but when run from the Aquaris 4.5 Ubuntu SDK keeps throwing messages about QtQuick Controls not found. On checking the path, I found ...
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1answer
50 views

How do you get FakeVim in the Ubuntu SDK to use ~/.vim/plugin/colemak.vim?

I have a custom layout for vim, that remaps the keys to fit my colemak keyboard layout. In the ubuntu SDK, fakevim does not use the custom layout defined in ~/.vim/colemak.vim. How can get fakevim ...
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1answer
368 views

Putting Qt icon on Ubuntu Desktop

How can I put a working Qt5 icon on my Desktop in Ubuntu 14.04? When I try to move it from the Launcher it just jumps back. I can not locate the executable to copy/paste the icon.
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After installing QtCreator, lightdm not turn on xubuntu 14.02

I just simply wrote sudo apt-get install qtcreator in terminal and saw how he removing xserver and some graphical packages in installation process. At the end, he install them again, but after reboot, ...
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1answer
124 views

Qt Creator fails in designer tab

Qt Creator in designer tab displays black frames. At the same time in Konsole I have the following message several times (more than 30 times): QQuickWidget cannot be used as a native child widget. ...
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1answer
63 views

Cannot detect if a MouseArea is over a GridView item

This question is not specific for the Ubuntu platform, but as I am developing an Ubuntu Touch app, I'd like to ask first here. I have a list of UbuntuShapes arranged in a GridView - generated from a ...
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162 views

Have Qt Creator execute gdb command after all libraries are loaded

I would like to setup Qt Creator debugger to ignore all boost files when stepping through my code. Just to test, I added the command: "skip file /usr/include/boost/ptr_container/ptr_sequence/...
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376 views

Qt-Creator freezes my Ubuntu

I am trying to develop apps for Ubuntu mobile, but whenever I try to run the app in an emulator everything freezes and then I have to restart my system. I am using Ubuntu 14.04 LTS and Qt Creator 3.1....
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2answers
676 views

How to make an application use local shared library instead of the system one

I have qtcreator installed using the qt online installer. It ships which its own version of qt library. The qt library are also installed in the system directories, but those are older. I have ...
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1answer
401 views

In 15.04, Ubuntu SDK “make” is failing to build and run Ubuntu Core apps for the desktop.

I am getting this error in compile 01:09:30: Starting: "/usr/bin/make" Scanning dependencies of target ubuntu-clock-app.desktop [ 1%] Merging translations into ubuntu-clock-app.desktop... Died at /...
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1answer
2k views

How to enable Qt Creator 3.2.2 to use GDB?

After installing Qt Creator 3.2.2 from source I tried to run my project with Qt Creator's debugger frontend, but instead of starting to debug I got an error from Qt Creator: The selected build of ...
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1answer
231 views

How to make and application for Ubuntu phone OS in QT creator? [closed]

I want to develop and application for Ubuntu Phone os. How to do this in QT creator? Is it really possible to create an app for ubuntu phone os? or is does the Ubuntu phone apps made in the same way ...