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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5
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1answer
954 views

libdb4.8++ is no longer available

I'm trying to use QT-Creator to build a program and I get the message that libdb4.8++ is needed and is not available. I've tried to use libdb5.1 and libdb4.8 but it still asks for libdb4.8++ I'm ...
2
votes
1answer
315 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 ...
1
vote
1answer
403 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 ...
1
vote
1answer
174 views

Example tab in ubuntu sdk opens blank windows

Every time I try to open the examples tab on the welcome screen, the SDK opens 3 transparent/blank windows that get in the way and are not closable. There are also no examples in the SDK when the ...
1
vote
1answer
412 views

Ubuntu touch tools

I'm doing a porting exercise to port an application from Ubuntu to Ubuntu Touch. The application uses gcc 4.1.2, CMake 2.6.4, binutils 2.22. Q1. What tools are needed for setting up a Ubuntu Touch ...
1
vote
1answer
2k views

Recent Qt repository

Is there any repository for latest Qt versions (recent version is 5.0.1 while ubuntu has 4.8) ? PS I found this PPA but it tagged as [deprecated]!!!, so I'm wondering what if there is official one ...
1
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1answer
253 views

Problem with libqt4-dev. Messed up dependencies

I'm running Ubuntu 12.04 and tried to update ubuntu-sdk but today it wasn't possible without adding phablet-team/tools PPA as described here ...
1
vote
1answer
126 views

QT creator tutorial: Itemstyle invalid

Running the Currencyconverter tutorial "itemstyle" in the following line is underlined with red: ItemStyle.class: "title" with an error "invalid property name" How to fix this error?
0
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1answer
76 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 ...
0
votes
1answer
64 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 ...
0
votes
1answer
74 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 ...
3
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0answers
285 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 ...
3
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0answers
425 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 ...
2
votes
0answers
315 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 ...
2
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0answers
336 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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0answers
547 views

Mobile app development: “No qmlviewer installed” when trying to access Qt 5 in Qt Creator

As we all know, trying to force Qt Creator to use qmlscene instead of qmlviewer is like trying to force Eclipse, after already having installed JDT, to use CDT instead. Googling "No qmlviewer ...
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vote
0answers
19 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 ...
1
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0answers
478 views

qt4 Creator errors

Can't find anything that will solve this: /usr/bin/ld: cannot find -lxslt /usr/bin/ld: cannot find -lgstapp-0.10 /usr/bin/ld: cannot find -lgstinterfaces-0.10 /usr/bin/ld: cannot find ...
1
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0answers
160 views

Recompile Qt Creator with Qt4

Qt Creator on Ubuntu 13.04 has the cursor theme wrong. I've read this is because Qt5 applications do not integrate in Ubuntu well. So I want to recompile Qt Creator using Qt4. I've downloaded the ...
1
vote
0answers
164 views

Error while executing standard Ubuntu Touch program

I've followed the instructions for the standard app and it was all working ok. I had some issues with ComponentsShowcase.qml, because of which I messed up the app. So, I removed the PPAs and added ...
1
vote
0answers
585 views

Qt5 font rendering in Ubuntu 13.04

My fonts in general within QtCreator inside Ubuntu 13.04 looks 'ugly' when compared to how they looked in 12.10. 12.10 still used Qt4, so did something regarding the font rendering in Qt5 and the ...
1
vote
0answers
136 views

Ubuntu Phone App Development Clarification

I attempting to follow the Ubuntu Phone App development tutorial to make a Currency Converter, and I am simply unable to complete the tutorial. I have installed all of the latest QT/Phone related ...
1
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0answers
100 views

Inner object properties are not shown in Qt Creator in debugging mode

I'm using Qt Creator 2.6.82 on Ubuntu 12.10. I wanted to figure out if some properties are correctly set, but I can't see them. This is the deepest I can get (I can't even open the QObject node) ...
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0answers
144 views

Qt designer icon don't show on Cairo dock with Open gl

I'm using latest version of cairo dock with open gl, and when I open Qt Creator, I can't see icon of Qt Creator, and also cairo dock don't fade out when qt's window is overlaped with dock. How can I ...
0
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0answers
12 views

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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0answers
6 views

In Ubuntu SDK, how do you search for text which include linebreaks?

If you ctrl+f in Ubuntu SDK to browse through your code, and you paste within the search box a multi-line piece of text, it will fail to find any results. Is there a way to get around this ...
0
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0answers
18 views

QML: TextField horizontalAlignment not working for entered text in Ubuntu SDK

I'm a complete newbie to QML and QT, forgive me if this is a trivial question. I'm using the following code to center-align the text in a TextField. This does work for the placeholder text, but the ...
0
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0answers
43 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. ...
0
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0answers
15 views

How to remove shortcut to open device panel in QtCreator in Lubuntu 13.10?

I have just upgraded to Lubuntu 13.10 and when I use shortCut LShift + RShift to change keyboard layout in QtCreator it switches to the Ubuntu device panel. But in keyboard shortcut settings there is ...
0
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0answers
20 views

QML: How do I set my icon in the Ubuntu SDK with a CMakeLists based project?

How do I set my icon in the Ubuntu SDK with a CMakeLists based project? Do I need a specific type of image file, or can I use just a png?
0
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0answers
26 views

ubuntu 12.04: Path Include in Make/options file

I am using OpenFOAM with QtCreator. Currently I have to implement some Integralfunctions with several input parameters like: Code: class IntegralFunctionB { private: double x; double y; ...
0
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0answers
41 views

Which PPA should I branch for developing the Unity Desktop UI itself?

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 ...
0
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0answers
259 views

qt creator 3.0.1 unable to initialize GLX on ubuntu 12.10 64 bit

My OS is Ubuntu 12.10 64 bit. When I run qtcreator-3.0.1.run file I am getting the following error: Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ...
0
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0answers
88 views

qDebug() output is not visible on a terminal

I use UBuntu 12.04 LTS. When I run a console application using Qt Creator an output of qDebug() is not visible on a terminal (I get only an empty terminal with a cursor). How to fix that ?
0
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0answers
15 views

Compare QtCreator v.2.7.2 with Ubuntu SDK

I'm used to QtCreator. Must I switch to Ubuntu SDK in order to develop apps for smartphones/tablets or can I develop the same just using QtCreator.
0
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0answers
37 views

Can I install the Ubuntu SDK alongside with PyQt?

I installed the Ubuntu SDK and everything goes very well. Now I want to install PyQt just to mess around with it. PyQt comes with Qt Creator, but it was already installed by the Ubuntu SDK. How can I ...
0
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0answers
35 views

Why does Qt Creator automatically exit randomly after about 5 minutes?

I’m running Ubuntu 13.10 and have upgraded Qt4 to Qt5. While using Qt Creator 2.7 I’m facing two problems at this time. When I run Qt it only stays open for about five minutes or so. Also when you ...
0
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0answers
87 views

Qt Creator Problems

When you open the Qt Creator you get the Welcome screen. When I click anything it opens a new window that is see though. Also now it will only stay open for a few mins then it just closes. What ...
0
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0answers
194 views

App development without Qt Creator

Is it possible to develop app for Ubuntu without using Qt Creator? I wrote the same code in other text editor and compiled using qmlscene fileName.qml. An error popped up saying "components": no such ...
0
votes
0answers
41 views

QT4 IDE library

I am new to gaming code but I love the QT IDE. Qt does not have the libs. I want to use: OpenGL and Allegro. Is there a way to get these libs. in Qt or how do I use them?
0
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0answers
70 views

Qreator doesn't start - How to fix it?

I've installed Qreator using the following command sudo add-apt-repository ppa:qreator-hackers/qreator-stable && sudo apt-get update && sudo apt-get install qreator After a ...
0
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0answers
166 views

QtCreator install not recognized

I've installed QtCreator 5.1.1 according to this site Install Qt-5 and everything is working well with it. I installed it /opt/QT5. Unfortunately, Muon software center does not list QtCreator in its ...
0
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0answers
98 views

Qt Creator has disabled Build -> Run command

Today I've installed Ubuntu SDK by following installation step on Ubuntu developer site. After that I created a new Ubuntu > Simple Touch UI project. Project creation was successful, but when I tried ...
0
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0answers
67 views

Ubuntu Software Center Application Development

Can anyone guide me through the procedure of making a simple Ubuntu Software Center Application? I am using Qt IDE for the development process. Using the Qt Certification Resources is enough or ...
0
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0answers
142 views

Ubuntu SDK: Set webview to an mobil-header

I just begun to lean the beta-Ubuntu-SDK. I has an WebView. I need to show the mobil version of the site in this webview. But how can I changes the browser-header? WebView { id: ...
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0answers
42 views

Adding C++ reference to Ubuntu SDK

Can a C++ reference be added to Qt Creator/Ubuntu SDK? Any reference online or offline so that when I press F1 the help for current word is shown like MS VC++.
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0answers
13 views

how to add octave libraries in Qt-creator

i am trying to create a GUI using qt-creator to plot graphs by using .m files of octave. please tell me how i can add octave libraries to qt-creator. please explain step by step. thanks
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votes
0answers
23 views

how to write a GUI application using Qt-creator that runs octave code (.m file)

i have created a GUI using qt creator . i want to run the .m file from within the qt-creator. if i press a button it should give me plot by running the .m file. i don’t know how to link .m file with ...
-1
votes
0answers
167 views

qtcreator adb no permissions

For adb to recognize my nexus 10 running Ubuntu Touch I have to start the adb server as root (sudo adb start-server). Thats a little annoying but I can deal with it. The problem is that when QtCreator ...
-1
votes
0answers
727 views

“Qt versions for architectures x86, arm, mips are missing” problem compiling to Android from QtCreator and QT 5.1

I have installed the Qt Creator 5.1 RC from the Qt site, and if i want to compile to Android i have a weird error: "Qt versions for architectures x86, arm, mips are missing"