Covert Composable into View then returns callback to get bitmap

CaptureComposableAsBitmap.kt

@Composable
fun CaptureBitmap(
    content: @Composable () -> Unit,
): () -> Bitmap {

    val context = LocalContext.current
    
    /** 
     * ComposeView that would take composable as its content
     * Kept in remember so recomposition doesn't re-initialize it
     **/
    val composeView = remember { ComposeView(context) }
    
    /**
     * Callback function which could get latest image bitmap
     **/
    fun captureBitmap(): Bitmap {
        return composeView.drawToBitmap()
    }
    
    /** Use Native View inside Composable **/
    AndroidView(
        factory = {
            composeView.apply {
                setContent {
                    content.invoke()
                }
            }
        }
    )

    /** returning callback to bitmap **/
    return ::captureBitmap
}