---
title: "TouchBoundsExpansion"
description: "Creates a [TouchBoundsExpansion] that's aware of [LayoutDirection]. See
[TouchBoundsExpansion.start] and [TouchBoundsExpansion.end] for more details about
[LayoutDirection].

The `start`, `top`, `end` and `bottom` represent the amount of pixels that the touch bounds is
expanded along the corresponding edge. Each value must be in the range of 0 to 32767 (inclusive)."
type: "function"
---

<div class='type'>Function</div>


<a id='references'></a>
<div class='sourceset sourceset-common'>Common</div>


```kotlin
fun TouchBoundsExpansion(
    start: Int = 0,
    top: Int = 0,
    end: Int = 0,
    bottom: Int = 0,
): TouchBoundsExpansion
```


Creates a `TouchBoundsExpansion` that's aware of `LayoutDirection`. See
`TouchBoundsExpansion.start` and `TouchBoundsExpansion.end` for more details about
`LayoutDirection`.

The `start`, `top`, `end` and `bottom` represent the amount of pixels that the touch bounds is
expanded along the corresponding edge. Each value must be in the range of 0 to 32767 (inclusive).