<?xml version="1.0" encoding="utf-8"?> <View xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content"> <include> <aapt:attr name="layout" xmlns:aapt="http://schemas.android.com/aapt"> <RelativeLayout android:id="@+id/hello" /> </aapt:attr> </include> </View>