How to remove "View full screen to exit" message on Android 13 version by code

Question

How to remove "View full screen to exit" message on Android 13 version.I am working on Mobile pos (MPOS APP) and my android application must be in full screen mode , the application is comming in full view mode but always this message "View full screen to exit" appears so how can hide that message complelety i tried this but not working

   private void hideSystemUI(WindowInsetsControllerCompat windowInsetsController) {
    // Hide both the status bar and the navigation bar.
    if (windowInsetsController != null) {
        windowInsetsController.hide(WindowInsetsCompat.Type.systemBars());
    }
}