small problem on java android studio

[eyal159]

I don't know if it belongs here but I know many people here know android studio. 

so basically i have a problem with R , when I read about it its because i have a problem in one of my XML files. which I do. but I don't know what is the problem. 

http://prntscr.com/lbhtkv - photo 
?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

 

ty alot !