Ubuntu Wiki

Install libadwaita-1-examples and start adwaita-1-demo.

0. This is a two panel window with an welcome message at the right and a list of clickable entries on the left. 1. Click the sun icon at the top left. It should toggle theme between light and dark. 2. Click the three horizontal lines button near it. A context menu opens and you click 'about Adwaita demo' which shows a transient window with the usual options.

* Navigation view

Click run the demo, a transient window opens with buttons, click one open page 3, with a sliding transition the page in that transient window is replaced by simply a "page 3" text in large font.