composeAnimateElement.kt

@Preview
@Composable
fun BikeScreen() {

    var bikeState by remember { mutableStateOf(BikePosition.Start) }
//    val offsetAnimation: Dp by animateDpAsState(
//        //get display size
//        if (bikeState == BikePosition.Start) (800).dp else (-100).dp,
//    )
    val offsetX by animateDpAsState(targetValue = if (bikeState == BikePosition.Start) 5.dp else 300.dp, animationSpec = 
    infiniteRepeatable(tween(3000),RepeatMode.Reverse))
    Box(
        modifier = Modifier
            .fillMaxSize()
    )  {
        Image(
            painter = painterResource(R.drawable.ic_sun),
            contentDescription = null,
            modifier = Modifier
                .height(90.dp)
                .absoluteOffset(y = offsetX)
        )
        Button(
            onClick = {
                bikeState = when (bikeState) {
                    BikePosition.Start -> BikePosition.Finish
                    BikePosition.Finish -> BikePosition.Start
                }
            }, modifier = Modifier
                .fillMaxSize()
                .wrapContentSize(align = Alignment.Center)
        ) {
            Text(text = "Start")
        }
    }
}
enum class BikePosition {
    Start, Finish
}