Yocto QT Hello World
From Variscite Wiki
DART-MX8M-MINI Qt6 Hello World
Qt6 Toolchain Installation
A full Qt toolchain is needed in order to build Qt applications targeted for the embedded Yocto image.
The toolchain must provide the Qt headers and libraries to link against in addition to the cross GCC and GDB tools.
To install the Qt6 toolchain, follow the Yocto Qt6 Toolchain installation guide.
A full Yocto OpenEmbedded environment is required for the toolchain generation.
Yocto Qt Creator Guide
To install Qt Creator follow the Yocto Qt Creator guide
In addition:
https://wiki.qt.io/Basic_Qt_Programming_Tutorial
https://wiki.qt.io
http://doc.qt.io/qtcreator/creator-tutorials.html
http://doc.qt.io/qt-6/qtexamplesandtutorials.html
https://www.gitbook.com/download/pdf/book/mimecar/ubuntu-touch-programming-course?lang=en