{% setvar book_path %}/reference/kotlin/androidx/_book.yaml{% endsetvar %} {% include "_shared/_reference-head-tags.html" %}

PerformException

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
`PerformException.Builder`	Builder for `PerformException`.

Public constructors
`PerformException()`

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

Inherited functions

From class 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 constructors

PerformException

PerformException()

Public properties

actionDescription

val actionDescription: String!

viewDescription

val viewDescription: String!

PerformException

Summary

Nested types

Public constructors

Public properties

Inherited functions

Public constructors

PerformException

Public properties

actionDescription

viewDescription