---
title: "ComposeNotIdleException"
description: "Thrown in cases where Compose can't get idle in Espresso's defined time limit."
type: "class"
---

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


<a id='references'></a>

<div class='sourceset sourceset-android'>Android</div>


```kotlin
class ComposeNotIdleException(message: String?, cause: Throwable?) : Exception(message, cause)
```


Thrown in cases where Compose can't get idle in Espresso's defined time limit.