in my xml i have only listview and toolbar, i dont uderstand why after emulating i see an extra blue line under the toolbar
android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="@style/AppTheme.PopupOverlay"
/>
<ListView
android:layout_width="match_parent"
android:layout_height="220dp"
android:id="@+id/list"
android:layout_alignParentStart="true"
android:layout_alignParentBottom="true"
android:layout_below="@+id/toolbar" />
Thank you