ass="xmltree">
FrameLayout                                            %.treevis-root
  LinearLayout orientation=vertical                    %.treevis-root
    Toolbar layout_height=?actionBarSize               %.appbar
    TextView layout_weight=1                           %.textview
  FloatingActionButton layout_gravity=bottom|right     %.fab
</div>

<style>

html, body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  width: 100%;
  height: 100%;
}

body {
  display: flex;
  flex-direction: row;
}

.tree