<Corner rounding not visible in jetpack compose> <...

# stackoverflow

[user]

Corner rounding not visible in jetpack compose

I am trying to do this as first time jetpack practice▾

Actually this is the code, the only thing missing is the rounded corners, I tried it and it does clip content, but it is not visible.
@Preview
@Composable()
fun Horizontal_card (){
Row(
Modifier
.size(width = 352.dp, height = 80.dp)
.background(MaterialTheme.colors.background)
.clip(RoundedCornerShape(10.dp)),
verticalAlignment =...