docs: private int createView() {
          switch (mWidget.getUiStyle()) {
              case Widget.STYLE_DARK: {
                  return R.layout.album_activity_album_dark;
              }
              case Widget.STYLE_LIGHT: {
                  return R.layout.album_activity_album_light;
              }
              default: {
                  throw new AssertionError("This should not be the case.");
              }
          }
      }