compose_scaffold.kt

@Composable
fun CaptureBitmap(
  content: @Composable ()->Unit  // <--- we use callback as parameter
){
  
  val composeView = ComposeView(...)
  
  AndroidView(
    factory = {
      composeView.apply {
        setContent {
          content.invoke() // <--- Content get places in between this code
        }
      }
    }
  )
}