<Page navigatingTo="navigatingTo">
  <GridLayout rows="*, auto, *" >
    <GridLayout backgroundColor="lightgreen" id="target" automationText="target" width="100" height="100" pan="onPan"/>
    <Button row="1" text="clear" tap="clear"/>
    <TextView row="2" text="here" id="output" automationText="output" style="font-size: 10, font-family: monospace;"/>
  </GridLayout>
</Page>