Solved
Program have a problem for interface at simulator and screen
Hello
Since the issue happens on the simulator (and your board), it means that the issue is in the code.
The simulator just compiles the code, generate the framebuffer and use graphic libraries to display the framebuffer so usually you will see the exact same thing on the simulator and on the board unless you have transfer issue (SPI, etc).
In your case, I have tried to import your GUI in a new simulator project ("Create new" => "Simulator") and it worked fine.
Also, I have found this thread where someone also has issue with button where it looks very similar to your problem and he solved it by fixing his flushFrameBuffer function.
I would assume this is also the issue for your project.
I hope this helps! :smiling_face_with_smiling_eyes:
If this comment answers your question, I invite you to select it as "best answer".
Regards,
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