Install qml-module-qtquick-controls by entering the following commands in the terminal:
sudo apt update sudo apt install qml-module-qtquick-controls
Description:
Qt 5 Quick Controls QML module
Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality. . The Qt Quick Controls module provides a set of controls that can be used to build complete interfaces in Qt Quick.
Homepage: http://qt-project.org/
Version: 5.9.5-0ubuntu1
Section: universe/libs