@LayoutSpec
public class PlaygroundComponentSpec {
  @OnCreateLayout
  static Component onCreateLayout(ComponentContext c) {
    return Row.create(c)
      .child(
        Row.create(c)
          .widthDip(100)
          .heightDip(100))
      .child(
        Row.create(c)
          .widthDip(100)
          .heightDip(100)
          .marginDip(YogaEdge.HORIZONTAL, 20)
          .flexGrow(1))
      .child(
        Row.create(c)
          .widthDip(100)
          .heightDip(100))
      .widthDip(500)
      .heightDip(500)
      .alignItems(YogaAlign.FLEX_START)
      .paddingDip(YogaEdge.ALL, 20)
      .build();
  }
}