<FrameLayout 
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >
    <StackView
        android:id="@+id/stackview"
        android:layout_width="match_parent"
        android:layout_height="match_parent" 
        android:animateLayoutChanges="true"> 
    </StackView> 
</FrameLayout>
