https://blog.csdn.net/colinjen/article/details/114437873?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522161797227016780271581731%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=161797227016780271581731&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~first_rank_v2~rank_v29-13-114437873.first_rank_v2_pc_rank_v29&utm_term=qt%E4%BA%A4%E5%8F%89%E7%BC%96%E8%AF%91

https://blog.csdn.net/yyph123/article/details/82531756

QTCSS
https://blog.51cto.com/u_9291927/1891444

在开发板上运行全屏的QT:

在PC上用Qt Creator的demo Analogclock项目来做演示，将编译出的analogclock拷贝到Firefly开发板上，在开发板的Ubuntu界面下按Ctrl+Alt+F1切换到字符界面（终端界面），找到analogclock所在路径，输入
https://dev.t-firefly.com/thread-793-1-1.html

https://dev.t-firefly.com/thread-12437-2-9.html