Xbox controlle acts as physical keyboard. How to disable it

[Android Central Question]

I have Samsung S7 PLUS and xbxox elite series 2 controller. When i'm playing CoD Mobile controller keeps acting like its on the homescreen, for example B button minimizng my game and shows my all active apps but also it acts as ingame button and i also crouch ingame. other button acts the same.any idea how to fix it? on Juawei P30 PRO controller works normal