awtk/demos/assets/raw/ui/animator.xml

<window>
  <image name="fade" image="logo" x="center" y="10" w="200" h="60"/>
  <image name="fade" image="logo" x="center" y="80" w="200" h="60"/>
  <image name="move" image="logo" x="0" y="middle:-40" w="200" h="60"/>
  <progress_bar name="value" x="center" y="middle" w="90%" h="40"/>
  <button name="close" x="center" y="bottom:10" w="25%" h="30" text="Close"/>
</window>