QAudioDeviceInfo::availableDevices does not work in my build of Qt 5.3.2 on...
I built Qt 5.3.2 and programmed a C++ multimedia application, which detects my camera OK, but QAudioDdeviceInfo::availableDevices returns zero audio input and output devices, whereas the Ubuntu system...
View ArticleQMake: build paths and filenames with macros - import large Visual Studio...
Hi, I’m in the process of porting a Windows C++ application to Linux/Mac. I’m not using Qt in this app, but QT Creator and QMake. The project is a complex solution from Visual Studio with 10+...
View ArticleCorruption on fresh install Qt5.4 community on Vista
Hi There I am having problems installing QT5.4. Everything installs fine, but when I run it it looks like: If I ignore the corruption and create a new projext and go into designer I get: If I try and...
View ArticleSymbols not found for architecture x86_64 MacOS Yosemite
Hi there! I’m really new in all of this, and I don’t know anything about terminal and stuff… I (think) installed openCV 2.4.10 and qtCreator 3.3.0 using terminal commands: 1. cd...
View ArticleQtGraphicalEffects and git
Trying to compile on linux and I’m running into an issue with QtGraphicalEffect. Haven’t changed my compile script. so: git clone git://gitorious.org/qt/qt5.git qt5-test cd qt5-test ./init-repository...
View ArticleQt Deployment problems
I am new to QT deployment processes.I am working in UI development. I created a deployment package which contains .exe and all dll’s. then I test to run the package in the same system where i created...
View ArticleGuidance for setting up Qt for Cross Compilation
Hi, I am trying to cross compile for my target application on my host machine, but I’m not sure how to go about it. I have read a few blogs, but I am not able to connect the pieces. Here is my...
View ArticleBuild 32 bit runs, build 64 bit compiles but crashes at the beginning.
Hi. I have two simple applications. If compiled with the official 32 bit release ( Qt 5.4, mingw 4.9.1) they do run as expected. Yesterday I downloaded:...
View ArticleNew Qt install and MySql
Hi all, I need some help getting MySQL running with my Qt server application. There are lots of other posts/search results for this, but I have what may be basic questions that never seem to be...
View ArticleInstall sqlite database file together with Application
Hi, I have SQLite Database file “MyDb.db” in my project folder I would like to deploy this file together with application to the build folder. My question is what is right approach to do that and its...
View ArticleError during installation process for Scientific Linux
The Scientific Linux machine I’m using already has Qt Designer (not ‘Creator’), but when I tried to install the latest version of Creator, I got the error message “Error during installation process...
View Article14.04.2 qt creator
I apologize beforehand, I know bad English, and this use google translators. the problem started after the transition to the new graphics stack in ubuntu 14.04.2, namely after sudo apt-get install...
View ArticleDeploying on Windows but not working on Mac
Hi, I have a project that worked pretty fine on both platforms, now I wanted to add a Icon to my application by setting ICON = :/images/Logo.png in my .pro File. Works fine on Windows but not...
View ArticleCannot link libs statically
Hello, I’ve been attempting to deploy a static application with Windows, and have already built Qt statically. I was following this [qt-project.org] tutorial, and I created a kit using my dynamic Qt’s...
View ArticleUnable to make deb file of Qt 5.4 app in Ubuntu 14.04
I am able to make deb file of Qt 5.2.1 app in Ubuntu 14.04 but unable to make deb file of Qt 5.4 app in Ubuntu 14.04 and got below errors. //usr/lib/x86_64-linux-gnu/libQt5PrintSupport.so.5: undefined...
View ArticleDebugging program with sockets requires root.
Hi all! I’m writing simple web server using linux system sockets (this must be fast, i’m fighting for ms, so i don’t use QTcpServer). The problem: To bind and accept connection on socket i must run...
View Articlequestions about add Qt as the 3rdSDK of my project.
I want to add Qt in my own project (eg. on Windows in VisualStudio solution).here are the questions i met: (1) is it possible to add the Qt code in my VisualStudio solution, then Qt can be built...
View Article"iostream not found" on Mac OS
I’m desperately trying to port an ancient Qt 4.8 application to Mac OS X 10.10. I already successfully ported it from Windows to Ubuntu 14.04 with almost no problems. However, on Mac I get the error of...
View Articlesetup the develop enviroment on PC which doesn't intall QtSDK&Qt-Vs-Addin (...
This my solution to to this: (1) copy the dll, lib, include files into my own project’s directory. (2) create a Qt5.1.0 dir, and copy moc.exe, qmake.exe, rcc.exe into Qt5.1.0/bin; copy win32-msvc2005,...
View ArticleQt SDK only have dll ? if i want to use the static lib, do i have to compile...
Qt SDK only have dll ? if i want to use the static lib, do i have to compile Qt all by myself? And if so, i want to add all the Qt code into my VistualStudio solution and then I can easily build the Qt...
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