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kotlinlang

Layouts codelab;

"Compose also comes with some predefined <https://material.io/resources/icons/?style=baseline|Material icons> you can use, for example the _close_, _favorite_ and _menu_ icons."

Does this mean my apk automatically includes all material icons? Or do they only get packaged in if I reference them in a composable?

`androidx.compose.material:material` includes ~50 (the most commonly used) icons out of the box, so if you have the Material dependency these will be included.

There's also the separate `androidx.compose.material:material-icons-extended` dependency that includes every icon, but these aren't included by default

I guess if you use R8, it will remove the not usage icons.
Material Icons is code generated and not resource files if I recall.

Yup, the icons are just functions - so R8 will remove anything that isn't referenced