Qt 5 is the 5th major version of the popular GUI toolkit for implementing graphical applications. This version contains major changes, and Qt Quick is central to it.

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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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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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9 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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22 views

Virtualbox extendable hard drive [duplicate]

I installed Ubuntu 13.10 on Virtualbox (host machine win7). I chose Ubuntu 13.10 because I wanted to install Qt5 on it. I use an extendable hard drive, but for some reason, when I install something ...
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25 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 ...
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1answer
30 views

How to open a browser when the TextEdit::onLinkActivated signal is received

I'd like to open a browser window to display the URL received by a TextEdit onLinkActivated signal. Is it possible to perform such call from the QML application?
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49 views

How to configure debian/rules file for packaging with CDBS and Cmake, Qt5 on Ubuntu 12.04

this is the first time I ask here. Recently I played packaging --a new thing for me-- in Launchpad. I tried compiling Sigil 0.7.4 for Ubuntu Precise. The source code had to be compiled with Qt5, while ...
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1answer
87 views

Qt5 installation and path configuration

I have installed Qt5 from the Qt5 project site, to the following directory /opt/Qt5 I would also like to mention that I had Qt4 installed previously, I have removed all instances of Qt4 through ...
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1answer
76 views

Getting ReferenceError when accessing public C++ slot from QML

According to Qt5 documentation: exposing methods including qt slots all public slots of C++ classes that inherit from QObject, are accessible from QML Here what I did: C++ class MyClass : public ...
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1answer
55 views

Install newly developed app on Ubuntu Touch device

Host OS: Ubuntu 12.04.4 LTS Ubuntu Touch Device: Nexus4 Running Ubuntu 13.10 My dev environment is QtCreator with the ubuntu-sdk plugin I'm trying to deploy the QML / C++ sample app (the one ...
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1answer
65 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
76 views

Zeal has unmet dependences in Ubuntu 13.04

I'm trying to install Zeal through ppa in Ubuntu 13.04, but is giving the error: The following packages have unmet dependencies: zeal : Depends: libqt5core5 (>= 5.0.2) but 5.0.1+dfsg-0ubuntu4.1 ...
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2answers
367 views

unmet dependencies, I can't install ubuntu-sdk [duplicate]

I have been trying to install the ubuntu developer environment so that I may begin gaining practice in app development. But once I try to install ubuntu-sdk I get the following error: The following ...
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74 views

Ubuntu-SDK cannot start qtcreator

I cannot start qtcreator with ubuntu-sdk installed. I'm getting error: void DBusMenuExporterPrivate::addAction(QAction*, int): Already tracking action "Follow Symbol Under Cursor" under id 142 ...
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135 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 ...
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1answer
192 views

Please guide me, to configure qt on lubuntu 13.10

I had downloaded Lubuntu(version of ubuntu)13.10.. Downloaded gccc(4.8.2)/qt5..qt. Installed as it was .run file. But could not compile a single app on it, even a simplest one(though qt has its own ...
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172 views

After compiling QT 5 how do I to update my system? With update-alternatives?

I'm on Ubuntu 12.04. I followed the instructions in this guide in order to compile QT5. Everything compiled fine. My problem now is that my QT related programs are still pointing to an older ...
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1answer
213 views

QtCreator crashes on registering namespace

I just installed Ubuntu 13.10 (Desktop) x64 on my computer and wanted to install Qt5 with QtCreator. So, I downloaded it from: http://qt-project.org/downloads ...
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2answers
229 views

How to install libqtwebkit5?

How can I install libqtwebkit5 library? I need it for a Qt project. I tried with: $ sudo apt-get install libqtwebkit5 Reading package lists... Done Building dependency tree Reading state ...
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1answer
2k views

What package do I need to build a Qt 5 & CMake application?

I'm trying to build sdrangelove, which wants Qt 5 and uses CMake for its build system, on Ubuntu 13.10. What package do I need to install to give it the file it's asking for here? There are a lot of ...
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0answers
148 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 ...
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1answer
819 views

Are Qt Quick Controls available on Ubuntu 13.10?

I was looking to do UI development in QML, and I really want it to look native. I found the QtQuick.Controls (http://qt-project.org/doc/qt-5.1/qtquickcontrols/qtquickcontrols-index.html), but when I ...
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1answer
108 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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160 views

Qt 5.1 packages

Is there any ppa containing Qt 5.1 prebuilt binary packages? I found this one, but it doesn't seem really well-provided. I'm running Raring, but I see that even Saucy still has Qt 5.0.2.
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Music app missing from Ubuntu Touch

I recently installed the Ubuntu Touch build dated 3rd oct on my phone. After that, I used adb shell and did: apt-get update apt-get upgrade apt-get dist-upgrade. Then I rebooted my phone, and ...
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1answer
989 views

Compiling code that depends on QT4 with QT5 installed

I have QT5 installed on 12.10 I believe because it is a dependency for the Ubuntu SDK and the Ubuntu touch tools which I have been using. I have QT4 installed as well, infact I had it installed ...
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1answer
104 views

Qt5 opens multiple window

I recently installed qt5 and ubuntu sdk and i use 13.04 . In welcome section when i click develop,example or tutorial tabs multiple windows open up and I am unable to close it. How do i fix this. I ...
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1answer
145 views

Ubuntu Touch SDK - qmake problem

I've recently tried installing the Ubuntu SDK but with no luck! I followed the Developer Instructions , and when I launch the QtCreator Ubuntu SDK and create anew project I don't have any options for ...
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156 views

How to access geolocation information on Ubuntu Touch?

It's strangely hard to find any documentation on accessing geolocation information for Ubuntu Touch specifically and even Qt5 more generally. The Qt Mobility APIs provided this in Qt4, and they seem ...
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0answers
393 views

Qt 5.1.1 installation problem

I am new to ubuntu and using 12.04 LTS. I tried to install Qt5.1.1 without software manager. I downloaded the qt-linux-opensource-5.1.1-x86-offline.run file and ran it. It ran smoothly and got a ...
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265 views

QT5.0 Cross compile for AM1808

I have a requirement to implement the JSON for file transfer. I found that QJsonDocument is only supported to the QT5.0. So that I am trying to Cross compile the QT5.0 for my processor(AM1808 ARM9). ...
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56 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 ...
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103 views

Unity next rebuild in Qt

I download unity 8 using bzr branch lp:unity/8.0 How can I build and recompile it using Qt5 ? When I tried to use the same way in this thread but it didn't work. What I have to change ? I'm ...
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2answers
250 views

Qt5 with Qt 4.7 on Ubuntu 13.04. How to install it both without conflicts?

I'm using Qt5 and need Qt 4.7 now (for embedded device). Is it possible to install it additionally on Ubuntu 13.04?
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1answer
1k views

Problem building a Qt5 project with QWebKit

I'm trying to port a simple project from Qt4 to Qt5. The project uses QWebKit. I installed the qt5-default and libqt5webkit5-dev packages. I then changed the qmake project file to contain this: QT += ...
2
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1answer
782 views

QtQuick not found (Lubuntu)

On a fresh Lubuntu 13.04 installation, I installed Qt5 from the official ubuntu repositories. But this installation of Qt5 can't find the QtQuick module. What am I missing? qmlscene test.qml ...
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692 views

Problem during Qt 5.1 installation

I downloaded the Qt 5.1.0 installation file for Linux, and trying to install gives me an error. It stops when copying these files: ...
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1answer
189 views

How do I install and reference QtLocation 5.0?

I am trying to run a sample application in Qt Creator which has an import QtLocation 5.0 statement at the top. I have already installed the Ubuntu SDK. I searched the software center for ...
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118 views

QtCreator / Ubuntu SDK “could not find the executable”

This box pops up when I try to run my app. It did not happen on the previous version of Ubuntu SDK. Can someone tell me what executable it is looking for or why it is doing this in the first place.
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1answer
822 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
181 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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141 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 ...
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1answer
740 views

“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed

I wrote application for linux which uses QT5. But when I am trying to launch it on the linux without QT SDK installed, the output in console is: Failed to load platform plugin "xcb". Available ...
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534 views

Setting Qt5 qmake as default Qt builder

By default Qt4 is the default Qt builder in ubuntu 12.10, I want to know how can I make Qt5 qmake as default Qt builder. PS Qt5 qmake installed in /usr/lib/x86_64-linux-gnu/qt5/bin/qmake
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1answer
80 views

WxWidgets in Ubuntu Touch?

I know that Ubuntu Touch uses Qt5, but I would like to know if it will also support GUI like wxWidget.
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2answers
215 views

Get $HOME and/or username without using C++

I'm working on the Music app and I need to know how to get the user name and/or home dir of the users. I've googled around for a while but can only find the variables for C++ or BASH. How do I get ...
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2answers
2k 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 ...
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8 views

import Ubuntu.Components 0.1 is not resolved or marked red [duplicate]

I am using Ubuntu 12.04 LTS 64 bits. and QT creator 2.6.1 based on Qt 5.0.0(64 bit). Trying to run the currency converter example given, i am getting an error for import ubuntu.components 0.1 (red ...
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1answer
27k views

How can I install Qt 5.x on 12.04 LTS?

If you want to develop with QML 2.0 and Qt5, the base packages don't seem to exist in repository for 12.04. What PPA should I add? Is it a binary installer? a compile the toolkit yourself? Those ...
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1answer
1k 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 ...