Does compose support the standard sharing button in android? Does anyone have an exampl.e

what do you mean by “the standard sharing button”?

maybe he meant, the standard sharing dialog?

It is not related to Compose UI.

Sharing Intent

is an API of the Android SDK.

Here's an example: https://github.com/android/compose-samples/blob/main/JetNews/app/src/main/java/com/example/jetnews/ui/article/ArticleScreen.kt#L186-L189