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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Install older Qt Creator in 14.04

How can U install Qt Creator 2.x on Trusty Tahr? I don't like 3.x series because it links against Qt 5 and, 1) my KDE is not linking against 5 yet, 2) I'm making widget plugins for QtC using Qt4.
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48 views

Pair Programming in Ubuntu SDK?

How do you do collaborative code editing, aka pair programming, in the Ubuntu SDK? I heard you can do this in Vim, and I wonder if the Vim functionality in QtCreator makes this possible.
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How to get KDE4 for building a project in Ubuntu 12.04?

There is a command find_package(KDE4 REQUIRED) in the CMakeLists.txt file from the question How to make a project of Krusader. My attempts to build the project in the Qt Creator result in a message ...
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1answer
407 views

Ubuntu SDK: How do I implement a “onClick” for an image in QML?

I have a background image for my page, and I want to implement a sort of page refresh when the background is clicked. However, I didn't find any actions for the image element in QT quick. What's the ...
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1answer
2k views

Install old QtCreator on Ubuntu 14.04

I want to build my application on Ubuntu. The last versions have been tested and programmed under Windows, because it is a multiplatform application. Sadly, under Ubuntu the systray icon did not work ...
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1answer
2k views

unable to run make during installation of kernel 3.3.6

desktop:~/Desktop/linux-3.3.6$ make xconfig make[1]: Warning: File `scripts/kconfig/.zconf.tab.o.cmd' has modification time 1.7e+04 s in the future CHECK qt * Unable to find the QT4 tool qmake. ...
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1answer
284 views

Qt creator Learning tutorial for ubuntu 12.04

I am a new user for Ubuntu and qt creator, I want to learn Qt program with examples. Where could I find documentation about Qt Creator?
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612 views

Ubuntu and Qt creator keyboard layout change problem

When I run Qt Creator on my Ubuntu 14.04 with English layout, it always types in English and it won't change if I change my layout to other language. In front, when I run Qt Creator with Persian ...
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2answers
256 views

How to configure version control for Qt?

It might be just a basic thing for many, but I'm stuck at "Qt version control", and it's really annoying me. I'm on Ubuntu 12.04 LTS and my Qt version is 2.4.1. Here's the message which is displayed: ...
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1answer
1k views

QML: How to do variables?

In QML, I am just looking for a way to do fairly simple variables: Bool String Integer
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1answer
172 views

QML: QtQuick Extension Plugin - What is URI?

When starting a new Qt Quick Extension Plugin, it asks me to specify Object Class Name (Easy enough), but also something called URI. What does URI stand for? What does this project need URI for? ...
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1answer
64 views

What is the difference between Ubuntu.Components and QtQuick?

QtQuick 2.0 Ubuntu.Components 0.1 Are two common imports when developing applications for Ubuntu. Are these classes? Can you import member functions this way? If yes, how can tell what member ...
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2answers
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Ubuntu 14.04 QtCreator Qt5 examples missing

After upgrading to Ubuntu 14.04 I removed the official qtcreator in order to install the modified version from the software center because I'd like to try the SDK. Fortunately, the docs are now ...
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1answer
618 views

module “QtQml.Models” is not installed

After upgrading to Ubuntu 14.04 I removed the official qtcreator in order to install the modified version from the software center because I'd like to try the SDK. Fortunately, the docs are now ...
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0answers
30 views

Use SystemSettings 1.0?

I'm developing a new app that I need to use the SystemSettings module for (I need to get the device serial, IMEI and stuff). When looking for a way to get these numbers I came across Ubuntu System ...
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2answers
781 views

Difference between Qt Creator and Ubuntu SDK?

Having downloaded them both when I installed the Ubuntu SDK, I wonder if there is any tangible difference between the two, such as the libraries being employed.
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2answers
1k views

“No executable specified.” Ubuntu SDK Unity8

Was working last night, but today when I started up again, I could not run unity8 out of QtCreator/UbuntuSDK. After building and running, it just states: "No executable specified." FYI; This is a ...
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Which PPA should I branch for developing the Unity Desktop UI itself? [duplicate]

In 14.04 using the ubuntu sdk. Imported lp:unity8, and lp:unity-mir. Unity8 requires unity-mir. unity-mir requires Qt5 core. I have it installed from the repositories, and so I just do not get what I ...
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1answer
627 views

Set Application Icon

I'm building a QML application with the Ubuntu SDK. I've figured out how to add an application icon to the .desktop file, but I'm not sure where to add the window icon itself. I've seen code for ...
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1answer
194 views

Ubuntu-SDK Plugin Loader Errors: Could not resolve dependency 'Core(2.7.1)' Could not resolve dependency 'ProjectExplorer(2.7.1)' [duplicate]

(In Ubuntu 13.10) Ubuntu-SDK opens with the following errors: Does anyone know how to resolve these dependencies?
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102 views

Missing package in Ubuntu SDK - qtdeclarative5-ubuntu-webapps-api

Installing the Ubuntu SDK failed because of missing package qtdeclarative5-ubuntu-webapps-api this was the message from apt-get: The following packages have unmet dependencies: ubuntu-html5-sdk ...
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1answer
511 views

How do I add a qrc file to my Ubuntu Touch qml project?

My UT QML project makes use of a set of images, and I was planning use them via "qrc:///pathtoimages/myimage.png" style of url. In Ubuntu SDK, I can "add new... Qt / Qt Resource File". The file is ...
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2answers
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How to put MainView into maximized

[using ubuntu sdk to write an application for the desktop] Is there a way to change the window state of the MainView? MainView { ... width: units.gu(100) height: units.gu(75) Page ...
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1answer
100 views

QtCreator doesn't let me create Ubuntu Touch apps!

I've gone through the instructions for installing the SDK found here: http://developer.ubuntu.com/apps/create/get-the-sdk/ using Xubuntu 12.04. Everything went well except, for some reason, QtCreator ...
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753 views

TypeError: Cannot call method 'hasOwnProperty' of null, while creating a QMLscene window

I am trying to make a simple Ubuntu Touch web application with Qt Creator. I have set up a new project according to the tutorial and committed the files to Bazaar. I have set a url instead of the ...
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1answer
38 views

The pages that ubuntu-sdk adds to Qt-Creator can't be zoomed

Ubuntu-SDK adds 5 buttons to the Qt-Creator toolbar (wiki, pastebin, irc, core apps and api). The sole function those buttons seem to have is to link to some web pages. Those pages can not be zoomed ...
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1answer
65 views

Can't create a project

I installed the IDE, following the instructions on your website. Than I went on to: http://developer.ubuntu.com/apps/qml/tutorial/ The tutorial says: In Qt Creator, press Ctrl+N to create a new ...
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1answer
178 views

Cannot run Ubuntu (touch) Facebook App [closed]

as said in the title, I'm not able to run and try Facebook App, such as it happens in the reported (not by me) bug #1226770 https://bugs.launchpad.net/ubuntu-facebook-app/+bug/1226770 The ...
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0answers
418 views

QtCreator creates unwanted windows [closed]

This issue occurs on raring with the build "qtcreator 2.8.1-0ubuntu1~raring1~test1", the latest from the software center. It works fine in general, but if you click on "Welcome" and than on "Develop", ...
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1answer
705 views

Extend existing QML Component from C++ plugin

First of all, I would like to say that I'm not very experienced in Qt, but I would like to include a new feature in existing QML WebView component to set a list of header values, included User Agent ...
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1answer
96 views

Qt Creator reverted back to some previous version

I've had Qt Creator on my machine for quite a while, and after adding the necessary PPAs, I could use it for Ubuntu Touch, the Ubuntu SDK being installed and all. Yesterday, i noticed that Qt had been ...
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1answer
430 views

Why some function definitions appears in italic font in qt creator?

I am using qt creator to work on open source and I am not able to understand some functions name are in italic fonts while declared it in it's class, whereas all other function are in normal font in ...
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1answer
117 views

How to get a resource file from a project in the Qt Creator?

I have installed Qt Creator 2.7.2 'Based on Qt 5.1.0 (32 bit)'. For some examples, I get *.pro, *.h and *.cpp files. It appears that if I want to use the Design mode, I need to have a resource *.ui ...
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1answer
291 views

F1 help in Qt Creator (Opensource)?

I have installed Qt Creator 2.7.2 'Based on Qt 5.1.0 (32 bit)'. Is it possible to set it for getting direct help in the Edit mode, maybe by pressing F1 key, as I am used to from the Microsoft Visual ...
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1answer
137 views

Qt sdk for ubuntu development creating 3 Qml2puppet upon design mode

When I create a project in Qt Creator 2.7.1 on Ubuntu 13.04 64bit the project is all fine. But when I enter the design mode on the left side menu, then there are 3 instances of Qml2puppet appearing on ...
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1answer
249 views

no ubuntu touch templates in qt 5.0.2

I have been using qt for some time now (lastly Qt 4.8), writing some desktop apps. Now I wanted to try doing something on ubuntu touch and so I installed the Ubuntu SDK. What I did was uninstall my ...
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1answer
384 views

How to properly package an Ubuntu Touch application with Qt Creator (Ubuntu SDK)

In the new Ubuntu SDK there is an option to "Create application package" in "Build/Ubuntu Touch". Is there any tutoriel to explain how it works? It seems that it creats a "debian" folder with many ...
3
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1answer
1k views

Ubuntu SDK and QtCreator will not start

I have tried sudo apt-get purge ubuntu-sdk qtcreator qtcreator-plugin-ubuntu qtcreator-plugin-cordovaqt and then sudo apt-get install ubuntu-sdk but QtCreator will still not start. It does not show up ...
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1answer
1k views

Problem with QtCreator after update

I installed the ubuntu-sdk 2 days back on my machine (12.04) and the Qt version that is installed is 5.0.2. Everything was working perfectly, but today there were some updates from the ...
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1answer
180 views

How do I set up QT Creator to use launchpad?

I've created an UbuntuTouch program using QTCreator, and I'd like to set it up to store it in launchpad. How do I do that?
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1answer
410 views

importing C++/Qt module in QML

I have made a module to execute a shell script from within QML. The problem that I'm having is that I don't know how to import the module into my QML script. This is for a UT application BTW.
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1answer
279 views

ctrl+R shortcut doesnt work anymore

i was following the standard ubuntu touch app (currency converter), i messed things up with the showcase file, then set everything up again from scratch. Only difference being that the Ctrl+R shortcut ...
2
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0answers
602 views

How can I set up a build target in Qt Creator to compile for 32 bit on 64 bit Ubuntu?

I am running 64 bit (x86) Ubuntu and would like to be able to build Qt projects for a target architecture of 32 bit (x86). Qt Creator allows the configuration of multiple 'build kits' for compilation ...
2
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2answers
22k views

PuTTY X11 proxy: wrong authorisation protocol attempted

I am using putty from windows vista to connect to ubuntu server and run my qtcreator using Xming. I am able to log-in into the server, but I am unable to run qtcreator. the following message ...
0
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1answer
927 views

QT4/5 Creator cannot find -lGL

I installed the ubuntu mobile SDK a while ago on my ubuntu 13.04 machine via http://developer.ubuntu.com/get-started/ After a few days there appeared a compiler/linker error - even when compiling the ...
2
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1answer
387 views

“Qml2Puppet” windows appearing in Qt Creator

Using Qt Creator 2.7.0, when I switch to design view of a qml file, I'm now getting 3 additional, unresponsive windows opening up, all with the title “Qml2Puppet”. This didn't used to happen. I've ...
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0answers
1k views

Multiple Windows at QtCreator startup [closed]

I'm using QtCreator for a while. No problems everything worked fine. But, when I started some hours before it opens with multiple windows named QtCreator along with one main QtCreator window. Others ...
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2answers
2k views

QtCreator wont start anymore. Symbol lookup error

Since yesterday I'm unable to start QtCreator. Trying to start QtCreator from terminal gives me this error message, which I haven't found anything on: qtcreator: symbol lookup error: ...
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1answer
252 views

Ubuntu Touch SDK problems

I have installed the Ubuntu touch SDK the way it is advised on the Ubuntu dev website (with sudo apt-get install ubuntu). I'm using Ubuntu 13.04. The problems/symptoms are the following : When I ...
6
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3answers
4k views

Missing documentation for Qt5 on Ubuntu 13.04

I use Qt Creator for building applications and recently I decided to upgrade my Ubuntu from 12.10 to 13.04 and upgrade my current project from Qt4 to Qt5. The problem is that the Help section provides ...