View source for Archive:Build your first KDE application on Kubuntu

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===Building your first KDE application using Kubuntu Linux 20.04=== <!--T:1-->

===== Overview ===== <!--T:2-->

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This document aims to provide an overview of the pre-requisites required to create, compile, and execute a simple KDE Application (windowed GUI application) using Kubuntu 20.04.

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As most Linux distributions do not provide development packages by default, additional steps are required to get 'up and running' and be able to create a KDE Qt application, quickly.

===== Pre-requisites ===== <!--T:5-->

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It is assumed that a 'Minimal' installation of Kubuntu is performed. Refer to this guide on how to set up a Virtual Machine for development: https://community.kde.org/Get_Involved/development/Developing_in_a_virtual_machine

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Upon a Kubuntu installation is up and running, follow the instructions below.

==== Instructions ==== <!--T:8-->

===== 1. Install additional development packages from the Kubuntu repository ===== <!--T:9-->

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Referring to the [https://techbase.kde.org/Development/Tutorials/Setting_Up Setting Up] guide under 'Easy as pie: Package manager', it is much quicker to install the KDE development packages provided from the Kubuntu repository than recompile everything from source. 

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Run the following command in 'Konsole' to install additional KDE framework library and development tools:

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sudo apt install libkf5syntaxhighlighting-dev cmake clang-8 libkf5config-dev libkf5auth-dev libkf5package-dev libkf5declarative-dev libkf5coreaddons-dev libkf5dbusaddons-dev libkf5kcmutils-dev libkf5i18n-dev libqt5core5a libqt5widgets5 libqt5gui5 libqt5qml5 extra-cmake-modules qtbase5-dev kirigami2-dev libkf5kirigami2-5 libkf5notifications-dev qml-module-org-kde-kirigami2 qml-module-qtquick-dialogs qml-module-qtquick-controls2 cmake build-essential gettext libkf5crash-dev libkf5doctools-dev
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===== 2. Install KDevelop===== <!--T:13-->

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sudo apt install kdevelop
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=====3. Create a basic KDE Application using an existing template===== <!--T:15-->

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[[File:Screenshot 20200616 162007.jpg|thumb|KDE C++ KDevelop Template]]

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Now you should be in a position to be able to create a simple KDE application in KDevelop by performing the following in the menu: Project -> New From Template -> Qt -> Graphical -> C++ KDE Framework

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This example project should now compile and execute without KDevelop complaining.

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You are now up and running! It should also now be possible to use Qt Creator should this be a preferred option.

==== Other Useful Guides and References ==== <!--T:20-->

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* [https://community.kde.org/Get_Involved/development/Developing_in_a_virtual_machine Developing in a virtual machine]

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* [https://techbase.kde.org/Development/Tutorials/First_program Building your first program]

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* [https://techbase.kde.org/KDE_Frameworks#Step_1:_Install_the_Framework_you_need An Overview of the KDE Frameworks]

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* [https://community.kde.org/Get_Involved/development#One-time_setup:_your_development_environment Getting involved]
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