1 android.view.View focusable focused scrollable 2 android.view.View clickable heading name='H3 Heading' 3 android.view.View clickable heading name='ARIA heading level 3 Heading' 4 android.view.View collection hierarchical row_count=2 5 android.view.View 6 android.view.View clickable collection_item name='Tree item at level 1' 7 android.view.View clickable collection_item name='Tree item at level 2' 8 android.view.View clickable name='Tree item at level 3' 9 android.widget.GridView collection row_count=2 column_count=1 10 android.view.View 11 android.view.View clickable collection_item name='Cell at level 1' row_span=1 column_span=1 12 android.view.View 13 android.view.View clickable collection_item name='Cell at level 2' row_index=1 row_span=1 column_span=1 14 android.view.View 15 android.view.View 16
