Warning, /network/kdeconnect-android/res/drawable/disableable_button.xml is written in an unsupported language. File is not indexed.

 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:state_enabled="true" android:color="@color/primary" />
     <item android:state_enabled="false" android:color="@color/disabled_grey" />
 </selector>