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Questions tagged [qtembedded]

Qt for Embedded Linux is a C++ framework for GUI and application development for embedded devices.

Qt for Embedded Linux is a C++ framework for GUI and application development for embedded devices. It runs on a variety of processors, usually with Embedded Linux. Qt for Embedded Linux provides the standard Qt API for embedded devices with a lightweight window system.

The official Qt documentation can be found here for Qt 4.8

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Qt Run Length Encoding (RLE) of QByteArray

I want to do Run Length Encoding on a Qt QByteArray of largely redundant image data. Right now I am using QByteArrays qCompress and qUncompress functions which use zlib with the default compression parameter. After Googling I haven't found any third…
PhilBot
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Qt Multi-Touch with qTUIO and mtdev2tuio embedded linux

I have an embedded linux project where I want to use multi-touch with Qt. I've been looking at qTUIO ( https://github.com/x29a/qTUIO ) and it looks great. I cross-compiled the qTUIO library and deployed to the board. I also cross-compiled and…
PhilBot
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QT X11 and OpenGL

How can I build Qt for X11 with OpenGL support? I have Hardware acceleration on my device(GPU), but when I config the qt(qml) application to work with opengl I can’t see any improvment with the performance… it become more slower performance. I use…
user1335880
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qt Analog widgets for embedded device

i want to build an analog speedometer for my embedded device, and i found this http://qt-apps.org/content/show.php/AnalogWidgets?content=87780. I build it with my ubuntu computer and it works fine, but when i changed the build configuration to my…
thehilmisu
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Qt 4.5.2 - linux - change library root

I have 2 versions of Qt for different arm devices and different toolchains: Qt 4.5.2 and Qt 4.7.3. Both versions are supposed to be placed in /opt/onyx/arm directory :( The following error is occurred if I move the 1st Qt build in another directory…
Sergey Vlasov
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Resource on embedded linux not available

I build a simple test project with qt creator. Just a window, a button and an icon. The icon (stopbutton.svg) is in an resource file. In qtcreator I have setup two kids, one fore desktop-linux and one for the embedded-linux system. In the project…
Hartje
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How to fix QDialog transparent background afterimage issue in qt embedded (QT4.7.3)?

I am using embedded system and I'm testing transparent QWS server where is my Qt4.7.3. I faced the afterimage in the QDialog when moving cursor in test program which as the QWS client, but it didn't happen in the QMainWindow which in QWS server…
azswsxdeTW
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Qt embedded PNG icons not coming properly

I am running a Qt application in IMX6 board. These are my platform details Qt version = QtEmbedded 4.8 Application type = qml Device = IMX6 I have a lot of buttons in my GUI, all are PNG files. The problem is some dark dots/lines are on top…
codenumb
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Is there a recommended path to upgrade from Qt Extended to a newer Qt framework?

I'm looking at a Qt Extended application built circa 2006-2008 and upgrading to a newer Qt framework. What direction(s) are recommended to upgrade / rewrite this application to get on the latest supported version of some Qt framework?
Chris Morgan
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Make Problem in Qt for Embedded Linux Installation

I'm following this article to install qt for embedded linux on my host machine (which runs Ubuntu). So far, I successfully ./configure'd it but when I type "make" or "make install" it gives this error: make: * No targets specified and no makefile…
frbry
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Qt/embedded logging facility

I am new to porting qt/embedded to embedded linux. I want to know about how qt manages logging facility over embedded linux. If the logging facility is there, it can be pushed to serial port or it can be disabled. Could you anyone share us the view…
Santhosh
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qt4-embedded executable error: No such file or directory

I am using qt4-embedded version 4.7.8 to cross-compile applications for arm7l target. I have configured qt correctly but once I launch the executable on the target, I am getting this error: "no such file or directory" What am I doing wrong? My…
Joe Joe Ngigí
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Re-compiler QtEmbedded in OpenEmbedded without Examples

I have a touch panel computer running ARM9. I have successfully built a QtEmbedded SDK image under OpenEmbedded toolchain (I am newbie in this area) for ARM9. I'd like to re-build QtEmbedded images again with few examples that it comes (not all) …
Nimesh
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Qt android Can't listen to os intents ex.RECEIVE_BOOT_COMPLETED

I have an android service that runs when i open my app, now I want my android service to run at boot time. I tried the bellow code, but the service is not running automatically when i reboot my device. I cannot see it running as a service on my…
Mena
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Qt for Embedded Linux data directory is not owned by user 0: /tmp/qtembedded-0

Okay so I'm very new at all of this so please forgive me if I don't provide enough information but feel free to ask for more. I had to install ParaView from source on my linux system. ParaView requires Qt to be installed to be able to compile and…
Xentro
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