I've noticed more and more we have components with some sort of default size:

Icon - 24 x 24dp

CircularProgressIndicator - 48 x 48dp

FAB - 56 x 56dp

Unfortunately the size of these components is not customisable by SizeModifiers, so developers have no way to change the size without us explicitly providing a width: Dp, height: Dp | sizeModifier: SizeModifier or similar, which is definitely a sad API given the re-usability goals of modifiers.

The best we can currently do is setup these min sizes by using LayoutSize.Min inside the components, that way at least developers can increase the size, but they still have no way to decrease the size of a component.

This actually even affects us, for example the base FAB has a min height of 56.dp, but the extended FAB that we also provide has a min height of 48.dp, so currently the only way we can configure this is by having a minSize param on the FAB itself.

We discussed offline, but I believe a neat solution here could be a Layout(Width|Height|Size).MinDefault modifier, that will set minimum constraints only if the incoming constraints have a minimum of zero. That way developers can still explicitly make the component bigger or smaller, just by using normal modifiers, but if none are provided we can correctly size the component to its recommended default.

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