How to hide this the application and remove the border radius of the window

@kisvegabor please help me in this i am using code block how we can hide this.

you need to setup radius of your object


How i can modify this in code block . i want to hide the tittle bar. Full screen mode

Is this full code of your application ? Is there lv_timer_handler() call ? What is the target platform?

Codeblock LVGL GITHUB REPO