Questions tagged [qt]
a cross-platform application framework for developing application software
122
questions
1
vote
0
answers
2k
views
defaultServiceProvider::requestService()
We've run into a problem while to trying to use QCamera and QMediaPlayer.
In fact, we need to use a Webcam feedback & a music player (only .mp3).
We already installed:
gstreamer1.0
qt5-default ...
- 11
1
vote
0
answers
330
views
Run GUI application using sudo from a tightvncviewer
I am trying to run Qtcreator with administrator in my remote raspberry Pi board using tightvncviewer from my windows laptop.
I can run Qtcreator and debug my code without using sudo. But I want to ...
- 303
1
vote
1
answer
991
views
mini display with OpenGL support to run Qt gui applications
I am developing a Qt gui application to run on my RPi2 board. I followed the instructions at RaspberryPI BeginnersGuide to crosscompile Qt. The requirement is to run the application on a mini (2.8" ...
- 11
3
votes
3
answers
5k
views
qt5 adafruit touch screen on raspberry pi moves pointer too fast
I have finally got the adafruit 7" screen working with the X11 interface (startx) and it now seems to move the mouse accurately. However, I have a qt 5.5 app I wrote which works fine with a mouse but ...
- 31
0
votes
1
answer
2k
views
./configure Permission denied - Compiling Qt
I'm new to Linux/Rasperry Pi and I was following this tutorial to create a native build of Qt. I got up to the ./configure step. But this gives me the error:
bash: ./configure Permission denied
I ...
- 1
1
vote
0
answers
974
views
Syntax error: word unexpected (expecting ")") ERROR when run : python configure.py
I followed this link to install PyQt5 on Raspbian.
First I cross compiled Qt5 (this link) for Raspberry and executed an example. It worked fine.
When executing this command:
python configure.py --...
1
vote
0
answers
957
views
How to install PyQt5 on Raspberry Pi? [duplicate]
I need to install pyqt5 on raspberry pi that has Rapbian on itself. please help me how to do that
1
vote
1
answer
7k
views
Touchscreen with Qt QML eglfs
The goal is to run QtQuick2 Qt5 applications on the RPI 2B with USB+HDMI resistive touchscreen (7" 800x480 AR1100 http://www.adafruit.com/products/2407).
Current state
Visual part is fine. Touch ...
- 119
2
votes
1
answer
7k
views
Is it possible to install Qt5 on Ubuntu MATE or Raspbian with Raspberry pi 2?
First of all, I'm not sure if I should be asking this here, or on stackoverflow. But, here will be my first shot, if it's not the right place, just tell me and I'll move the question elsewhere.
Ok, ...
- 294
0
votes
1
answer
7k
views
QtPy5 on Raspbian, getting ImportError: cannot import name QtCore
I need to be able to use the latest WebKit that includes WebRTC support
How do I install Qt5+QtPy5 on Raspbian?
What I have tried so far...
Installed Qt5 on RPi2 - PASS
Native build Qt5 on RPi2 ...
- 257
0
votes
0
answers
1k
views
Is it possible to use Qt Media player on the Pi?
I have a project built using Qt5 which has to play a video. Just like in the videowidget sample code.
I've followed these instructions to build qt5 on my Pi. And it went just fine. But when I try to ...
- 294
1
vote
1
answer
743
views
QML based programm on TFT
I wrote a program with QT so I could run it on my Raspberry. It's based on QML only. I made a native build of Qt 5.5 on the Raspberry, and I can qmake / make my programs. Now I have an issue : I can't ...
- 11
2
votes
3
answers
1k
views
Qt for Raspberry 2
I saw many threads about setting up Qt on Rpi v.1. RPi 2 is using ARMv7 architecture so probably toolchain for ARMv6 won't work like described here
Additionally I would like to compile from Windows, ...
1
vote
0
answers
493
views
Raspberry Pi + Qt4 + Opencv cross compile from windows
Hi I want to know how to use opencv in raspberry pi. I have cross compiled qt raspberry from windows and succeed but I cannot add library opencv.
- 11
0
votes
1
answer
548
views
Cross compile problem with libsndfile in QtCreator
I can cross compile simple Qt Project from Windows (Qt Creator) to RPi, following that.
How can I add libsndfile to my project?
I installed libsndfile to RPi then re-sync RPi<->PC with QtCrossTool. ...
- 103
2
votes
1
answer
7k
views
Running a Qt5 application not full-screen, use VNC
The problem : I can't run my Qt5 app as a normal X window. It is always full screen.
I successfully compiled Qt5 and I can deploy a simple program to the RPi : Qt Creator uploads the executable to ...
- 131
1
vote
1
answer
3k
views
ArchLinux Qt eglfs
here is what I did.
I updated everything to latest, than I installed Qt5 and some related packages:
pacman -S gcc make qt5-base qt5-declarative qt5-imageformats qt5-multimedia qt5-quickcontrols qt5-...
- 111
1
vote
0
answers
3k
views
cross compile qt 5.2
I'm following this tutorial to cross compile qt 5.2. But I'm getting this error:
You have already accepted the terms of the license.
/home/vitor/src/rpi/tools/arm-bcm2708/gcc-linaro-arm-linux-...
- 153
2
votes
1
answer
1k
views
Unable to drag and drop widgets in Qt Designer
I got a Qt 4 installation using sudo apt-get install qtcreator. I am able to get everything to compile using gcc 4.8. However, when it comes to using Qt Designer to edit the UI of a window, Qt ...
- 29
0
votes
1
answer
210
views
How difficult would it be to compile QuiteRss for the RPi?
How difficult is it to compile an existing application that I know is already compiled for linux and windows?
The application I have mind is QuiteRSS 0.13.0 RSS/Atom feed reader written on Qt/С++ www....
1
vote
2
answers
142
views
Can I compile R-Pi programs (Qt) on R-Pi itself?
I want to create GUI in Qt and would like to know if I can compile and test the programs on the Pi board itself. That way, I only need to connect to R-Pi using SSH and modify code, compile and test it ...
- 187
8
votes
2
answers
3k
views
QtMultimedia on RaspBerry Pi
I've been trying to get QtMultimedia working on Raspberry Pi for a few weeks now, cross-compiling using the BakeQtPi script, yet the QtMultimedia plugin never seems to find an appropriate service to ...
