Places all components in a single row, but if space is not enough, a single line of layout will be divided into a few sublines.
| render | resizes the component |
| gravity | sets the view gravity (1 by default) |
| height | sets the height of the widget |
| id | the ID of a widget |
| width | sets the width of the widget |
| $getSize | returns the current size of the component |