You can choose how to move between apps and screens:
Choose an option:



You can choose if the navigation bar appears at the bottom of the screen and how certain gestures work.
If you don’t want to see the navigation bar at the bottom of the screen, you can hide it. You can show it again any time.



To adjust sensitivity of the back navigation gesture:

Under Back gesture sensitivity, move the sliders to adjust sensitivity for the left and right edges.
If you have apps that include gestures along the edges of the screen, setting a higher sensitivity here might conflict with them.
To start a voice command with Google Assistant, swipe from the bottom corner. If this gesture conflicts with another you use, you can turn it off.



To start a voice command with Google Assistant, press & hold the 



You can search for anything visible on your screen—whether it’s a photo, text, or more.
Choose one:

The search feature will appear transparently over your screen.
If this gesture doesn’t work, check that it is turned on: Settings > Gestures > System navigation > Circle to Search.