The following are the steps to install and configure the Qt development environment under Ubuntu 20.04:
- Install Qt Creator
Enter the following command in Terminal to install Qt Creator:
udo apt-get install qtcreator -
Install the Qt 5 development library
Enter the following command in the terminal to install the Qt 5 development libraries:
sudo apt-get install qt5-default
- Install g++ and gcc compilation tools
sudo apt-get install gcc g++Configure Qt Creator
Open Qt Creator, enter the "Tools" menu, select "Options", select "Build & Run" in the pop-up dialog box, and then select the "Kits" tab. Here you can add new Qt versions and build packages to ensure your project builds correctly.
- Create a Qt project
In Qt Creator, select the "File" menu, select "New File or Project", in the "Projects" dialog select "Application", then select the "Qt Widgets Application" or "Qt Quick Application" template. Follow the wizard to complete the project setup. Note that in the project settings you need to specify the Qt version and compilation suite.
- Build and run the Qt project
Once you have finished setting up your Qt project, you can build the project by clicking the "Build" button. Once done, click the "Run" button to run your Qt application.