RepeatingButton_Step4.kt

@Composable
fun RepeatingButton(
    modifier: Modifier = Modifier,
    onClick: () -> Unit,
    enabled: Boolean = true,
    interactionSource: MutableInteractionSource = remember { MutableInteractionSource() },
    elevation: ButtonElevation? = ButtonDefaults.elevation(),
    shape: Shape = MaterialTheme.shapes.small,
    border: BorderStroke? = null,
    colors: ButtonColors = ButtonDefaults.buttonColors(),
    contentPadding: PaddingValues = ButtonDefaults.ContentPadding,
    maxDelayMillis: Long = 1000,
    minDelayMillis: Long = 5,
    delayDecayFactor: Float = .15f,
    content: @Composable RowScope.() -> Unit
) {

    val currentClickListener by rememberUpdatedState(onClick)
    var pressed by remember { mutableStateOf(false) }

    Button(
        modifier = modifier.pointerInteropFilter {
            pressed = when (it.action) {
                MotionEvent.ACTION_DOWN -> true

                else -> false
            }

            true
        },
        onClick = {},
        enabled = enabled,
        interactionSource = interactionSource,
        elevation = elevation,
        shape = shape,
        border = border,
        colors = colors,
        contentPadding = contentPadding,
        content = content
    )

    LaunchedEffect(pressed, enabled) {
        var currentDelayMillis = maxDelayMillis

        while (enabled && pressed) {
            currentClickListener()
            delay(currentDelayMillis)
            currentDelayMillis =
                (currentDelayMillis - (currentDelayMillis * delayDecayFactor))
                    .toLong().coerceAtLeast(minDelayMillis)
        }
    }
}