PerformException

Artifact: androidx.test.espresso:espresso-core

Kotlin |Java

class PerformException : RuntimeException, EspressoException

kotlin.Any
↳	kotlin.Throwable
	↳	java.lang.Exception
		↳	java.lang.RuntimeException
			↳	androidx.test.espresso.PerformException

Indicates that an exception occurred while performing a ViewAction on the UI thread.

A description of the ViewAction, the view being performed on and the cause are included in the error. Note: FailureHandlers can mutate the exception later to make it more user friendly.

This is generally not recoverable so it is thrown on the instrumentation thread.

Summary

Nested types
`class PerformException.Builder` Builder for `PerformException`.

Public properties
`String!`	`actionDescription`
`String!`	`viewDescription`

Inherited functions

From java.lang.Throwable

`synchronized Unit`	`addSuppressed(exception: Throwable!)`
`synchronized Throwable!`	`fillInStackTrace()`
`synchronized Throwable!`	`getCause()`
`String!`	`getLocalizedMessage()`
`String!`	`getMessage()`
`Array<StackTraceElement!>!`	`getStackTrace()`
`synchronized Array<Throwable!>!`	`getSuppressed()`
`synchronized Throwable!`	`initCause(cause: Throwable!)`
`Unit`	`printStackTrace()`
`Unit`	`setStackTrace(stackTrace: Array<StackTraceElement!>!)`
`String!`	`toString()`

Public properties

actionDescription

val actionDescription: String!

viewDescription

val viewDescription: String!

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 2025-05-15 UTC.

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PerformException

Summary

Nested types

Public properties

Inherited functions

Public properties

actionDescription

viewDescription