How can I fix a dx dy line problem on my M8 HTC?

[AC Question]

dx dy lines problem m8 htc

i downloaded an app recently. i deleted it but i now have stuff at the top of screen and dy dx grid lines, cant fix it ant ideas?

 

[belodion]

Welcome to AC.

Something in Developer Options perhaps?
A screenshot would be helpful if you care to post one.

Posted via the Android Central App

 

[Deathunter-M8]

Welcome to AC.

Something in Developer Options perhaps?
A screenshot would be helpful if you care to post one.

Posted via the Android Central App

It would also help if he could mention what is the app that caused the problem.

Sent from my HTC One M8