Android nav bar completely black sometimes

[Android Central Question]

When clicking in a text box the gboard comes up but the navigation bar is completely black sometimes. It happens randomly and when i touch on the screen where the nav buttons are supposed to be it works. Any idea why this happens?

 

[mustang7757]

Which phone , and are you using a launcher? I'll provide a link to register so you can communicate here.https://forums.androidcentral.com/showthread.php?t=409154