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To create this article, 10 people, some anonymous, worked to edit and improve it over time. The wikiHow Tech Team also followed the article's instructions and verified that they work. This article has been viewed , times. Learn more It is a portable cross platform application user interface framework which works on the Windows, Linux and Mac OS X operating systems.

Essentially cross-platform means that Qt applications that you create on Microsoft Windows via the source code are usually transferable to Linux and the Mac OS X operating systems and vice versa.

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Learn why people trust wikiHow. Download Article PRO. Explore this Article methods. Related Articles. Method 1 of Select the Windows version and be prepared for a long download depending on your Internet speed. I would suggest you select the off-line installation of the Qt SDK if you do not have a very fast internet connection.

Method 2 of Follow the steps below. Method 3 of The numbers 4. To check if you have the ability to compile from the Windows command line, open up a command line prompt and issue the following command below. Develop your applications from the command line by using a text editor such as Notepad or WordPad to create and edit the source code and compile your Qt applications from the command line. Once the Qt SDK is added to the system PATH using the instructions above you can now compile your applications from the command line using the following method by running the following commands.

Open up a command line prompt and enter the following commands below. Method 4 of Method 5 of Method 6 of The numbers 5. Include your email address to get a message when this question is answered. Submit a Tip All tip submissions are carefully reviewed before being published.

Related wikiHows How to. How to. About This Article. Tested by:. Co-authors: Updated: October 23, Thanks to all authors for creating a page that has been read , times. Is this article up to date? Yes No. Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Related Articles How to. By signing up you are agreeing to receive emails according to our privacy policy. Follow Us.

 

Application No Qt Platform Plugin Could Be Initialized? [Fixed]

 

This documentation describes deployment process for Windows. The Windows deployment tool windeployqt is designed to automate the process of creating a deployable folder containing the Qt -related dependencies libraries, QML imports, plugins, and translations required to run the application from that folder.

It creates a sandbox for Universal Windows Platform UWP or an installation tree for Windows desktop applications, which can be easily bundled into an installation package. It needs to be run within the build environment in order to function correctly. If a directory is passed with the --qmldir argument, windeployqt uses the qmlimportscanner tool to scan QML files inside the directory for QML import dependencies.

Identified dependencies are then copied to the executable's directory. In case Qt was built with the configure switch -relocatable turned off, windeployqt узнать больше the hardcoded local paths in Qt5Core. For Windows desktop applications, the required runtime files for the compiler are also copied to the deployable folder by default unless the option --no-compiler-runtime is specified.

Otherwise, the shared жмите сюда of the compiler runtime are used. The application may require additional 3rd-party libraries for example, database librarieswhich are not taken into account by windeployqt.

If you later need to reconfigure and rebuild Qt взято отсюда the same location, ensure that all traces of нажмите для продолжения previous configuration are removed by entering the build directory and running nmake distclean or mingwmake distclean before running configure again.

First we must go into the directory that contains the application:. Run qmake to create a new makefile for the application, and perform a clean build to create the statically linked executable:. You probably want to link against the release libraries, and you can specify this when invoking qmake.

Now, provided that everything compiled and linked without any errors, we should have a plugandpaint. To check that узнать больше application has the required libraries, copy the executable to a machine that does ссылка на продолжение have Qt or any Qt applications installed, and run it on that machine.

Remember that if your application depends on compiler specific libraries, these must still be redistributed along with your application. You can check which libraries your application is linking against by using the depends tool. For more information, read the Application Dependencies section. Since we cannot deploy plugins using the static linking approach, the application we have prepared is incomplete.

It will run, but the functionality will be disabled due to the missing plugins. To deploy plugin-based applications we should use the shared library approach. First, we must go into the directory that contains the application:. Now run qmake to create a new makefile for the application, and do a clean build download qt platform plugin windows 10 create the dynamically приведу ссылку executable:. If everything compiled and linked without any errors, we bose download 10 get a plugandpaint.

To deploy the application, we must make sure that we copy the relevant Qt DLLs corresponding to the Qt modules used in the application and the Windows platform plugin, qwindows. In contrast to user plugins, Qt plugins must be перейти into subdirectories matching the plugin type.

Download qt platform plugin windows 10 correct location for the platform plugin is a subdirectory named platforms. Qt Plugins section has additional information about plugins and how Qt searches for them. Remember that if your application depends on compiler specific libraries, these must be redistributed along with your application.

For more information, see the Application Dependencies section. We'll cover the plugins shortly, but first we'll check that the моему git gui download for windows 10 Так will work in a deployed environment: Either copy the executable and the Qt DLLs to a machine that doesn't have Qt or any Qt applications installed, or if you want to test on the build machine, ensure that the machine doesn't have Qt in its environment.

But the application's functionality will still be missing since we have not yet deployed the associated plugins. Plugins work differently download qt platform plugin windows 10 normal DLLs, so we can't just copy them into the same directory as our application's executable as we did with the Qt DLLs. When looking for plugins, the application searches in a plugins subdirectory inside the directory of the application executable.

So to make the plugins available to download qt platform plugin windows 10 application, we have to create the plugins subdirectory and copy over the relevant DLLs:. Other plugins might be required depending on the features the application uses iconenginesimageformats. In addition, the archive must contain the following compiler specific libraries assuming Visual Studio /25424.txt verify that the application now can be successfully deployed, you can extract this archive on a machine without Qt and without any compiler installed, and try to run it.

An alternative to putting the plugins in the plugins subdirectory is to add a custom search path when you start your application using QCoreApplication::addLibraryPath or QCoreApplication::setLibraryPaths.

One benefit of using plugins is that they can easily be made available to a whole family of applications. It's often download qt platform plugin windows 10 convenient to add the download qt platform plugin windows 10 in the application's main function, right after the QApplication object is created. Once the path is added, the application will search it for plugins, in addition to looking in the plugins subdirectory in the application's own directory.

Any number of additional paths can be added. When deploying an application compiled with Visual Studio, there are some additional steps to be taken.

First, we need to copy the manifest file created when linking the application. This manifest file contains information about the application's dependencies on side-by-side assemblies, such as the runtime libraries.

The manifest file needs to be copied into the same folder as the application executable. You do not need to copy the manifest files for shared libraries DLLssince they are not used.

If the shared library has dependencies that are different from the application using it, the manifest file needs download qt platform plugin windows 10 be embedded into download qt platform plugin windows 10 DLL binary. Since Qt 4. You can find more information about manifest files and side-by-side по ссылке at the MSDN website.

Download qt platform plugin windows 10 correct way to include the runtime libraries with your application is to ensure that they are installed on the end-user's system.

Note: The application you ship must be compiled with exactly the same compiler version against the same C runtime version.

This prevents deploying errors caused продолжить чтение different versions of the C runtime libraries. Depending on configuration, compiler specific libraries must be redistributed along with your application. You can check which libraries your application is linking against by using the Dependency Walker tool. All you need to do is to run it like this:. This will provide a list of the libraries that your application depends on and other information.

From Qt version 5. For Windows, the name of the platform plugin is qwindows. This file must be located within a specific subdirectory by default, platforms under your distribution directory. Alternatively, it is possible to adjust the search path Qt uses to find its plugins, as described below.

Be sure to distribute any Qt plugins that you need with your application. Similar to the platform plugin, each type of plugin must be located within a specific subdirectory such as printsupportimageformats or sqldrivers within your distribution directory.

As of Qt 5. The search paths for Qt plugins are relative to the location of the QtCore library and no further steps are required to ensure plugins are found after installing the application on the target machine. For non-relocatable builds, additional steps must be taken to ensure plugins are found after the application has been installed on the target machine.

In this case, the search path for Qt plugins is hard-coded into the QtCore library. By default, the plugins subdirectory of the Qt installation is the first plugin search path. However, pre-determined paths like the default one have certain disadvantages. For example, they may посетить страницу exist on the target machine.

For that reason, you need to examine various alternatives to make sure посетить страницу источник the Qt plugins are found:. If you add a custom path using QApplication::addLibraryPath it could look like this:.

Then QCoreApplication::libraryPaths would return something like this:. The executable will look for the plugins in these directories and the same order as the QStringList returned by QCoreApplication::libraryPaths. The newly added path is prepended to the QCoreApplication::libraryPaths which means that it will download qt platform plugin windows 10 searched through first. However, if you use QCoreApplication::setLibraryPathsyou will be able to determine which paths and in which order they will be searched.

The How to Create Qt Plugins document outlines the issues you need to pay attention to when building and deploying plugins for Qt applications. Documentation contributions included herein are the copyrights of their respective owners. Qt download qt platform plugin windows 10 respective download qt platform plugin windows 10 are trademarks of The Qt Company Ltd. All other trademarks are property of their respective owners. Qt for Windows - Deployment This documentation describes deployment process for Windows.

The Windows /5690.txt Tool The Download qt platform plugin windows 10 deployment tool windeployqt is designed to automate the process of creating a deployable folder containing the Qt -related dependencies libraries, QML imports, plugins, and translations required to run download qt platform plugin windows 10 application from that folder. Additional arguments are described in the tools' help output: Usage: windeployqt [options] [files] Qt Deploy Download qt platform plugin windows 10 5.

Qt libraries can be added by passing their name нажмите чтобы прочитать больше or removed by passing the name prepended by --no- --no-xml. Available libraries: bluetooth concurrent core declarative designer designercomponents enginio gamepad gui qthelp multimedia multimediawidgets multimediaquick network nfc opengl positioning printsupport qml qmltooling quick quickparticles quickwidgets script scripttools sensors serialport sql svg test webkit webkitwidgets websockets widgets winextras xml xmlpatterns webenginecore webengine webenginewidgets 3dcore 3drenderer 3dquick 3dquickrenderer 3dinput 3danimation 3dextras geoservices webchannel texttospeech serialbus webview Arguments: [files] Binaries or directory containing the binary.

Component File Name The executable plugandpaint. Component File Name The C run-time vccorlib File Name icudtXX.