Immersive Mode showing blank space

Question

I\'m trying to implement a fullscreen mode, but for Android 4.4 and up, it shows a blank space there:

BEFORE immersive mode(fullscreen)

Answer 1

I'm new here so I can't comment, but wanted to add something that got me so frustrated me about the above solution. I kept checking my activities and its fragments for android:fitsSystemWindows="true" and it was definitely not there, yet I kept having a gap at the bottom! I was going nuts! It couldn't be this hard to fix this simple thing!

Turns out it also showed up in the Navigation Drawer I added...so be sure to check all your XML!