About Canvas AOD, it simply takes a photo of a person, set it as your wallpaper, activate the Canvas! It’s always on your screen. Canvas works better with faces, so try to find a photo with a clear outline.
You can also customizing wallpaper or ambient clock style, Canvas can be quickly found in Customization. Just go to Settings – Customization – Clock on ambient display – Insight and have fun! For more information, you can go to the official forum here.
You can download the Canvas AOD from the given link below:
NOTE: Canvas AOD is currently only working on the OnePlus devices running Android 11-based OxygenOS 11.