January 2018
Intermediate to advanced
456 pages
12h 49m
English
Content preview from Embedded Linux Development Using Yocto Project Cookbook - Second Edition
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Accelerated graphical output is also supported on the Qt framework, either directly on the framebuffer through EGLFS as we saw before, or using the X11 server available in core-image-sato. To build the Qt hello world source we introduced in the previous recipe but over X11, we only need to add the application to the target image with the following:
IMAGE_INSTALL_append = " qt-helloworld"
We can then build core-image-sato using the following command:
$ bitbake core-image-sato
Program and boot our target. Then, run the application with the following:
# export DISPLAY=:0# /usr/bin/qt_hello_world
By default, Qt5 uses the xcb Qt platform abstraction to run against X11.
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