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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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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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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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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51 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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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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54 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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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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30 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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62 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 ...
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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 ...
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Adding qt4 and qt5 to global path

I have downloaded a source code from github. It is using qt and in many files it has the following headers included: #include <QApplication> #include <QApplication> #include ...
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Unable to use the design button on QT Creator

Just did a clean install of Qt Creator 3.0.1 on Ubuntu 14.04. All my buttons work except the design button. It's completely grayed out and I am unable to click it. It seems to only happen when ...
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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
114 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
288 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
135 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 ...
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Problem with Qt Creator menu bar

I've just installed Qt Creator and all the options of the main menu bar are invisible, but I can click them. How to fix this? Link to Postimg.org
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337 views

QML app with C++ plugin (cmake) adding resource file

How to add qrc file to "QML app with C++ plugin (cmake)" project ? I can't find a working instruction. I found only one thing, add this to CMakeLists.txt: qt5_add_resources(RESOURCES ...
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159 views

Blank Devices page in Ubuntu SDK IDE (Qt Creator)

I've installed Ubuntu SDK as per this guide, but now I want to add an Ubuntu Touch emulator, however the Devices page in the IDE is blank, see screen capture: I am using Ubuntu 14.04 LTS What am I ...
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144 views

How can I get menu items in a Qt Quick application?

I'm using Qt Creator 3.1.1 on Ubuntu 14.10 (the version installed when you install Ubuntu SDK - the two seem to be the same application). I'm running the default Unity 7 desktop. When I create a new ...
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160 views

Ubuntu SDK fails to SSH to BQ Ubuntu Phone

I'm using the Ubuntu SDK/QT Creator and trying to deploy an HTML5 application to my Ubuntu Phone. QT Creator can see the device correctly and I can SSH into the phone manually from the command line. ...
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ubuntu-sdk showing blank spaces where icons should be

When I launch Ubuntu-SDK in Ubuntu 14.10 (64-bit) every Qt Creator aspect works normally except all the content that was specifically added by canonical. This is especially annoying in the 'Welcome' ...
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41 views

Problems in qt creator

I have written code in the qt creator on a pc running ubuntu. After this when I tried to run the same code on another pc using ubuntu, it's not working. The errors are: MainWindow: no such file or ...
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Qt Creator's window is a background picture

When I open Qt Creator on Ubuntu 14.04 the main window captures background and shows it as its own window. I have to change to other tabs to get its own background.
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Create Ubuntu installer for Qt project [duplicate]

I'd like to distribute one of my Qt projects in an installer on Ubuntu but I have no idea about how to do that at all. Say, I have a very simple Qt application just showing "Hello World" on a main ...
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QT Creator wants me to remove many programs before I can install it via Ubuntu Software Center

I've just upgraded my Ubuntu-gnome version from 14.04 to 14.04.02 and somehow I lost my QT Creator software which I commonly use to do my coding. I decided to install it again. When I tried to ...
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149 views

Problem in QT Quick Test for QML application

I have a problem in QT Quick Test for QML application, when I add import in my file.qml like: import QtQuick 2.3 import QtTest 1.0 import ValueField 1.0 <--- import "../myFile.qml" <--- ...
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Ubuntu-sdk-QTcreator not starting

A week ago the Ubuntu sdk worked fine for me.However today I tired to start it,it loaded the welcome popup and just crashed.I have tried reinstalling and purging it. I have also tried to load it in ...
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1answer
174 views

No option for C++ in Qt Creator (for project)

I've installed the Qt 5.4.0 for Linux 64-bit (542 MB) on gnome ubuntu 14.04, When I started new project, I couldn't find the "Qt C++ Application" tab. There is option for C,QT,BLACKBERY....... But no ...
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138 views

Access appmenu in GNOME Flashback

I use GNOME Flashback (Metacity) in my Ubuntu 14.04 LTS installation because of performance (it's running in VirtualBox). In this mode, the menu bar of an application is usually placed below its title ...
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137 views

Is there Qt Creator documentation available in a ubuntu or debian package?

From QtCreator, aka the Ubuntu SDK, I can ordinarily access documentation for classes such as QString and all QObjects, however, I can not access the documentation for classes such as: ...
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How to build .deb package with ubuntu-sdk

How can i build a .deb package with ubuntu-sdk? I don't want to publish to the ubuntu software center, only need a .deb package for my Ubuntu-SDK/QT Creator project. Thanks
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Ubuntu SDK keeps crashing at random times

Ubuntu SDK keeps crashing at random intervals. I'm running Ubuntu 14.04 with latest version of Ubuntu SDK. Error is: QPainter::setBrush: Painter not active QPainter::drawPath: Painter not active ...
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220 views

Do I need to install libcurl source package to use it for development?

I am working on a project that I used to use in a Windows environment. I recently migrated to KUbuntu and installed everything I needed (Qt, QtCreator and libcurl). However, after installing libcurl, ...
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1answer
37 views

Replace secret key placeholder at build time

I'm developing an Ubuntu touch app in QML, and would like to keep an API key reasonably secret (at least I don't want to have to commit it into the VCS). I see that you can define environment ...
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1answer
390 views

Error connecting Qt Creator to Raspberry Pi using ssh

I have generated an image for the Raspberry Pi board using buildroot 2014.11, but while connecting Qt Creator via ssh to Raspberry Pi board it shows the following error: Connecting to host… SSH ...
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using ubuntu-sdk to create app with problems

I upgraded my ubuntu 14.04 to 14.10 to use the latest ubuntu-sdk. But When I created a simple UI project there is just a red wave line under the "import Ubuntu.Components.1.1". So I moved my mouse to ...
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How do you return a list of the current project folders and files of your current project in QtCreator?

I think Qt must have this, because QtCreator has a list on its sidebar: Ideally I am just looking for a Qt function that will just return this list. Thanks.
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How build against qt 5.3.1?

Trying to build qt-creator v3.2.2 from source on Ubuntu 14.10. Fails. Qmake can't find qt5.3.1 $ qmake -r ... Project WARNING: QmlDesigner plugin has been disabled. Project WARNING: This plugin ...
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199 views

Creating a shorcut for application

I have two versions of qtcreator: first is installed by apt and binary is located in /usr/bin/. Second is installed in a custom location (I used a bundle from qt website). I run second version from ...
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Qt-creator publish tab missing click part

I am trying step by step to write some simple tutorial Ubuntu apps using qt-creator. First I've chosen HTML5 App then after writing some hello code or even after doing nothing I've tried to create a ...
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How do I run .ui files in ubuntu 12.04?

I created a very basic .ui file and edited it using pyqt. Now when I click the ui file, it opens in QT Designer. How do I run it? All it does in print ham (hehe). I'm sorry about my language, Please ...
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43 views

(QML) What does the “?” do in defining properties?

Popey { working: visible ? 100 } What does that "?" indicate in this example?
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150 views

Anybody know how to delete a file from QML without resorting to a C++ plugin?

Anybody know how to delete a file from QML without resorting to a C++ plugin? It should be possible to do in the folder that my app uses for data storage.
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In the Ubuntu SDK, is there a way to view all global variables in current project?

In the Ubuntu SDK, is there a way to view all global variables in current project? Working on one of the core apps, and I want to figure out if any global variables have been defined for the current ...
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131 views

Qt Creator - auto code generation

I have Ubuntu-Sdk IDE and I am doing HTML5 Programming in Qt Creator IDE, it is working absolutely fine, but when i click on Ctrl + Space, Auto Code is not generating, Please let me know what can i do ...
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unable to install ubuntu-sdk

qtcreator-plugin-ubuntu: Depends: libgcc1 (>= 1:4.1.1) but 1:4.9-20140406-0ubuntu1 is to be installed Depends: libqt5core5a (>= 5.2.0) but 5.2.1+dfsg-1ubuntu14.2 is to ...
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220 views

QtCreator does not start up

I have installed Qt Creator using Ubuntu Software Center but when I try to run it nothing happens. There is no error message, no new process, no new window.