coordinatorbug.java

<android.support.design.widget.AppBarLayout
            android:id="@+id/appbar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <SomeView
                android:id="@+id/epoints_header"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:layout_scrollFlags="enterAlways|scroll"
                />

            <View
                android:layout_width="match_parent"
                android:layout_height="1dp"
                android:background="@android:color/transparent"
                android:visibility="invisible"/>
        </android.support.design.widget.AppBarLayout>