<Page xmlns="http://schemas.nativescript.org/tns.xsd" 
    navigatingFrom="onNavigatingFrom"
    navigatingTo="navigatingTo">
    <StackLayout>
        <Button text="Start test..." tap="onTap" style="font-size:11" />
        <StackLayout id="placeholder" row="1"/>
        <TextView id="result" row="2" editable="false" />
    </StackLayout>
</Page>