When using the alternative Swipe-up gestural navigation (when the navigation bar is completely hidden), typing becomes cumbersome as the keyboard now appears at a position lower than where it does when the navigation bar is displayed. Given that the phone is rather tall, it makes typing harder as one has to reach down further while attempting to balance the phone.
Always displaying the navigation bar when the keyboard is active would alleviate this issue to an extent. I believe Android 10's navigation system automatically does this, and it would be great if Asus could implement the same for their own navigation system.
