ComposeNotIdleException

class ComposeNotIdleException : Exception

kotlin.Any
↳	kotlin.Throwable
	↳	java.lang.Exception
		↳	androidx.compose.ui.test.junit4.android.ComposeNotIdleException

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

Summary

Public constructors
`ComposeNotIdleException(message: String?, cause: Throwable?)`

Inherited functions

From kotlin.Throwable

`Unit`	`addSuppressed(@RecentlyNonNull exception: Throwable)`
`open Throwable`	`@RecentlyNonNull fillInStackTrace()`
`open Throwable`	`@RecentlyNonNull initCause(@RecentlyNullable cause: Throwable)`
`open Unit`	`printStackTrace()`
`open Unit`	`printStackTrace(@RecentlyNonNull s: PrintStream)`
`open Unit`	`printStackTrace(@RecentlyNonNull s: PrintWriter)`

Inherited properties

From kotlin.Throwable

`open Throwable?`	`cause`
`open String`	`localizedMessage`
`open String?`	`message`
`open Array<StackTraceElement>`	`stackTrace`
`Array<Throwable>`	`suppressed`

Public constructors

ComposeNotIdleException

ComposeNotIdleException(message: String?, cause: Throwable?)

Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.

Last updated 2026-06-17 UTC.

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