<Alloy>
<TabGroup>
<Tab title="Tab 1" icon="KS_nav_ui.png">
<Window title="Tab 1">
<Label>I am Window 1</Label>
</Window>
</Tab>
<Tab title="Tab 2" icon="KS_nav_views.png">
<Window title="Tab 2">
<Label>I am Window 2</Label>
</Window>
</Tab>
</TabGroup>
</Alloy>