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

<window name="main" x="0" y="0" w="320" h="480">
  <button name="inc" x="10" y="5" w="25%" h="30" text="Inc"/>
  <button name="test" x="center" y="5" w="25%" h="30" text="MemTest"/>
  <button name="dec" x="right:10" y="5" w="25%" h="30" text="Dec"/>
  <label name="left" x="10" y="40" w="80" h="30" text="Left"/>
  <label name="center" x="100" y="40" w="80" h="30" text="Center"/>
  <label name="right" x="200" y="40" w="80" h="30" text="Right"/>

  <progress_bar name="bar1" x="10" y="70" w="240" h="30" value="40"/>
  <progress_bar name="bar2" x="280" y="70" w="30" h="118" value="20" vertical="true"/>
  <check_button name="c1" x="10" y="110" w="80" h="30" text="Book"/>
  <check_button name="c2" x="100" y="110" w="80" h="30" text="Food"/>
  <radio_button name="r1" x="10" y="150" w="80" h="30" text="Book"/>
  <radio_button name="r2" x="100" y="150" w="80" h="30" text="Food"/>
  <radio_button name="r3" x="190" y="150" w="80" h="30" text="Pencil" value="true"/>

  <button name="dialog1" x="10" y="210" w="40%" h="30" text="Dialog1"/>
  <button name="dialog2" x="right:10" y="210" w="40%" h="30" text="Dialog2"/>
  <button name="window1" x="10" y="250" w="40%" h="30" text="Window1"/>
  <button name="window2" x="right:10" y="250" w="40%" h="30" text="Window2"/>
  <image name="img" image="earth" x="10" y="360" w="100" h="100"/>
  <image name="img" image="rgb" x="200" y="360" w="100" h="100"/>
</window>