Unsupported as of Android 11
This is app does not work on Android 11 and above because Google removed the ability
for apps to do so. Further information is provided here: https://bit.ly/3z62OBn

Warning
This app is meant for advanced users only. You have to use a PC to grant the WRITE_SECURE_SETTINGS permission with ADB.
Note that ADB simply is a developers tool and it will not void the warranty unlike root.
If you're device is rooted you can grant the permission with just one click.

Finally get rid of the "Navigation Bar"

You want to use one of those cool new gesture navigation apps to use your device in a futuristic way?
Or you want to gain a little more screen space?
But you cannot get rid of the "Navigation Bar"?

With "Hide Navigation Bar" it's possible to hide your "Navigation Bar"

Automation Apps Support
You can send broadcasts to "Hide Navigation Bar" with your favorite automation apps like "Tasker"
to hide the "Navigation Bar" only when you want it.

Android ADB PC instructions
1 - Enable Developer Mode in the Android settings.
2 - Enable USB Debugging
3 - Setup ADB on your PC
4 - Run the following adb command to grant the permission:
adb shell pm grant com.ivianuu.hidenavbar android.permission.WRITE_SECURE_SETTINGS

To restore the navigation keys disable the app or run this command:
adb shell wm overscan 0,0,0,0

How to install ADB
Gadget Hacks - https://bit.ly/3uT9iAo
Lifehacker - https://bit.ly/3x8LQAN
Xda developers - https://bit.ly/3x40usM

Links

Reddit:
https://bit.ly/3comOFJ