awtk/demos/res/raw/ui/main.xml

<window name="main" x="0" y="0" w="320" h="480" layout="w100 h30 5 10">
    <button name="open:memtest" x="10" y="5" w="25%" h="30" text="MemTest"/>
    <button name="open:basic" x="10" y="5" w="25%" h="30" text="Basic"/>
    <button name="open:slide_view" x="center" y="5" w="25%" h="30" text="SlideView"/>
    <button name="open:animation" x="right:10" y="5" w="25%" h="30" text="Animate Window"/>
    <button name="open:animator" x="right:10" y="5" w="25%" h="30" text="Animate Widget"/>
</window>