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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Broken QT5 packages are in release 14

Fresh Ubuntu 14.04 install. Tried this on two different machines. Same problem: tstimac@promel:~$ sudo apt-get install build-essential qmlscene qt5-qmake qt5-default qtdeclarative5-dev ...
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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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181 views

Ubuntu 14.04 Qt5 development libraries?

I want to build applications requiring Qt5 via CMake. Which libraries do I have to install to achieve that? What I have tried so far is searching for anything containing qt 5 core and dev, but have ...
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2answers
40 views

Permissions for thumbnailer on device

I'm developing an application for U-Touch that gets a thumbnail from a video in C++ code using libthumbnailer system library. The app does the thumbnailing perfectly in my computer, but when i try to ...
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1answer
195 views

Cannot cmake mirall because Could NOT find Qt5Keychain (missing: QTKEYCHAIN_LIBRARY)

I am trying to compile Mirall on my Ubuntu 14.04.1 LTS. Here is the command I am using: cmake -DCMAKE_BUILD_TYPE="Debug" ../mirall ...
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1answer
290 views

qt project compile error cannot find -lGL

I tried to compile Qt(5.3.1) example project but the following error comes up /usr/bin/ld: cannot find -lGL What does it mean. This error doesn't come up when I compile it in Windows. So How do ...
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How to connect a Button to FileDialog function in ubuntu sdk?

I've just started to deploy my first application for Ubuntu using QtCreator 3.1.1 based on Qt5.2.1 on Ubuntu 14.10.. I need to open some video files, so I'm going to put a Button to choose file ...
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Unable to build QtQuick 2 projects

I'm running Xubuntu 14.04, and I have the following packages installed: qt5-default (5.2.1) qtcreator (3.0.1-0ubuntu4) qml (5.2.1-3ubuntu15.1) They were installed from the official repos and are ...
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2answers
1k views

What's the development package for Qt5 in 14.04

I want to build a Qt5 example on my desktop machine. I installed qt5-default and qtdeclarative5-dev, but I'm still getting this error: Project ERROR: Unknown module(s) in QT: quick qml Which ...
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1answer
397 views

Qt 5 configuration

I have a problem setting Qt5 apps correctly on my computer. I'm running Ubuntu 14.04 with KDE4, I have configured the look in the KDE system settings and that look is used in every qt4 apps and gtk ...
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1answer
747 views

Ubuntu Qmake is not an executable

I have the latest versions of qtcreator, qt5-qmake build-essential and g++ installed. In option of Build & Run and choose qmake in /usr/bin/qmake I get this error: The qmake executable ...
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Issue in QT 5.2.1 app in linking libquazip.so library during making .deb package for ubuntu 14.04

I am making .deb package for the QT 5 .2.1 desktop app for ubuntu 14.04 64 bit. I have installed QT 5.2.1 on Ubuntu 14.04 and made a demo app for the testing purpose in which I have used quazip ...
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273 views

Getting issue in making .deb package of QT 5.2.1 app to deploy on Ubuntu 14.04

I want to make .deb package for the QT 5 .2.1 desktop app for ubuntu 14.04 64 bit. I have installed QT 5.2.1 on Ubuntu 14.04 and made a demo app for the testing purpose in which I have used Qt ...
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325 views

Problems with tray icon from Teamspeak (14.04)

Last day I installed Teamspeak on my new Ubuntu 14.04 (64 bit). At first, I saw that the tray icon wasn't there, and in TS settings was activated, the icon. So I googled for that problem and I found a ...
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19 views

What's the easiest way to bring in libraries from a newer version of ubuntu?

I'm using Ubuntu 12.04 (precise). I'm trying run a binary which has dependencies that are not in the precise but are in trusty. What's the easiest way to bring those in? Here they are: libunwind8, ...
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43 views

Luminace HDR , Qt5

I was installing luminance hdr by using the command cmake src I Got error : CMake Error at Libpfs/CMakeLists.txt:15 (qt5_use_modules): Unknown CMake command "qt5_use_modules". Then i tried to ...
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264 views

How to deploy my Qt app statically on ubuntu ? It is running on ubuntu 14.04 only

I wrote a application with Qt 5.x and the compiled binary is only working on my development machine running 14.04 on other machines running 14.04 on linux mint 16 I already inserted the CONFIG ...
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263 views

Ubuntu 14.04 and Qt5: No QMenu objects show up!

I have installed the Qt5 packages from the Ubuntu (14.04) official repository: sudo apt-get install qt5-default qttools5-dev-tools appmenu-qt5 Then I found this critical bug: QMenu objects don't ...
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480 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
124 views

How to Integrate of Python 2.7.4 in Qt 5.0

I have Python 2.7.4 installed,Qt 5.0 installed,PyQt 4.10.4.tar.gz and sip 4.15.5.tar.gz. How can I integrate Python with my Qt?
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Is it possible to send a return code with the Qt.quit() signal from QML?

I'd like to know if it's possible to send a return code from a pure QML application using the Qt.quit() signal so that qmlscene can exit with the same error code. I don't need a solution using C++, I ...
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1answer
3k views

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
327 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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21 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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42 views

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
76 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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812 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
2k 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 ...
3
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1answer
977 views

Embedding C++ Objects into QML with Context Properties

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
104 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
84 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
365 views

Zeal from the PPA has unmet dependences

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
771 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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136 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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1answer
253 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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256 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
397 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
1k 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
5k 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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1answer
2k 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
155 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
175 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 ...
2
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1answer
2k 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
141 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
174 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 ...
3
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1answer
235 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 ...
2
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0answers
450 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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353 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). ...