How to set Floating Action Button image to fill the button?

Question

Usually icons are set for floating action buttons, but I need to set an image, so I can make a circular image.

I added it to the project (using Android Studio-> New

Answer 1

With the Material Components library, according to the doc, you can use the attribute app:maxImageSize.

You can use a custom dimension, but you can also refer to these defined dimensions.

40dp
56dp

Just use:

Here the result with the standard dimension (24dp) and the design_fab_size_normal.