For this chapter, you will need to have finished the setup of your Target, including cross-compiling Qt 5.12.0 and installing it on the Target. You will also need to have a mouse and keyboard hooked up to the Target so you can test our application.
You can find the code for this chapter in the GitHub repository at https://github.com/PacktPublishing/Hands-On-Embedded-Programming-with-Qt/tree/master/Chapter03.